-----BEGIN PRIVACY-ENHANCED MESSAGE-----
Proc-Type: 2001,MIC-CLEAR
Originator-Name: webmaster@www.sec.gov
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<SEC-DOCUMENT>0001140361-09-019410.txt : 20090820
<SEC-HEADER>0001140361-09-019410.hdr.sgml : 20090820
<ACCEPTANCE-DATETIME>20090820170823
ACCESSION NUMBER:		0001140361-09-019410
CONFORMED SUBMISSION TYPE:	4
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20090818
FILED AS OF DATE:		20090820
DATE AS OF CHANGE:		20090820

REPORTING-OWNER:	

	OWNER DATA:	
		COMPANY CONFORMED NAME:			SCHOEWE THOMAS M
		CENTRAL INDEX KEY:			0001161375

	FILING VALUES:
		FORM TYPE:		4
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-06776
		FILM NUMBER:		091027098

ISSUER:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			CENTEX CORP
		CENTRAL INDEX KEY:			0000018532
		STANDARD INDUSTRIAL CLASSIFICATION:	OPERATIVE BUILDERS [1531]
		IRS NUMBER:				750778259
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	BUSINESS ADDRESS:	
		STREET 1:		2728 N HARWOOD
		STREET 2:		-
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75201
		BUSINESS PHONE:		214-981-5000

	MAIL ADDRESS:	
		STREET 1:		PO BOX 199000
		STREET 2:		-
		CITY:			DALLAS
		STATE:			TX
		ZIP:			75219

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	CENTEX CONSTRUCTION CO INC
		DATE OF NAME CHANGE:	19681211
</SEC-HEADER>
<DOCUMENT>
<TYPE>4
<SEQUENCE>1
<FILENAME>doc1.xml
<DESCRIPTION>FORM 4
<TEXT>
<XML>
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<ownershipDocument>

    <schemaVersion>X0303</schemaVersion>

    <documentType>4</documentType>

    <periodOfReport>2009-08-18</periodOfReport>

    <notSubjectToSection16>1</notSubjectToSection16>

    <issuer>
        <issuerCik>0000018532</issuerCik>
        <issuerName>CENTEX CORP</issuerName>
        <issuerTradingSymbol>CTX</issuerTradingSymbol>
    </issuer>

    <reportingOwner>
        <reportingOwnerId>
            <rptOwnerCik>0001161375</rptOwnerCik>
            <rptOwnerName>SCHOEWE THOMAS M</rptOwnerName>
        </reportingOwnerId>
        <reportingOwnerAddress>
            <rptOwnerStreet1>WAL-MART STORES, INC.</rptOwnerStreet1>
            <rptOwnerStreet2>702 S.W. 8TH STREET</rptOwnerStreet2>
            <rptOwnerCity>BENTONVILLE</rptOwnerCity>
            <rptOwnerState>AR</rptOwnerState>
            <rptOwnerZipCode>72716-8611</rptOwnerZipCode>
            <rptOwnerStateDescription></rptOwnerStateDescription>
        </reportingOwnerAddress>
        <reportingOwnerRelationship>
            <isDirector>1</isDirector>
            <isOfficer>0</isOfficer>
            <isTenPercentOwner>0</isTenPercentOwner>
            <isOther>0</isOther>
            <officerTitle></officerTitle>
            <otherText></otherText>
        </reportingOwnerRelationship>
    </reportingOwner>

    <nonDerivativeTable>
        <nonDerivativeTransaction>
            <securityTitle>
                <value>Common Stock</value>
            </securityTitle>
            <transactionDate>
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            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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            <transactionAmounts>
                <transactionShares>
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                </transactionShares>
                <transactionPricePerShare>
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                    <footnoteId id="F3"/>
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                <transactionAcquiredDisposedCode>
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            <postTransactionAmounts>
                <sharesOwnedFollowingTransaction>
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    <derivativeTable>
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            <expirationDate>
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            <transactionAmounts>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
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                </transactionAcquiredDisposedCode>
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            <exerciseDate>
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            <expirationDate>
                <value>2011-05-14</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
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                <underlyingSecurityShares>
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            </underlyingSecurity>
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        <derivativeTransaction>
            <securityTitle>
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            </securityTitle>
            <conversionOrExercisePrice>
                <value>57.36</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-08-18</value>
            </transactionDate>
            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
                <transactionFormType>4</transactionFormType>
                <transactionCode>D</transactionCode>
                <equitySwapInvolved>0</equitySwapInvolved>
            </transactionCoding>
            <transactionTimeliness>
                <value></value>
            </transactionTimeliness>
            <transactionAmounts>
                <transactionShares>
                    <value>2840</value>
                </transactionShares>
                <transactionPricePerShare>
                    <footnoteId id="F6"/>
                </transactionPricePerShare>
                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
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            <expirationDate>
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            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
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            <conversionOrExercisePrice>
                <value>47.75</value>
            </conversionOrExercisePrice>
            <transactionDate>
                <value>2009-08-18</value>
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            <deemedExecutionDate></deemedExecutionDate>
            <transactionCoding>
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            <transactionTimeliness>
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            <transactionAmounts>
                <transactionShares>
                    <value>4976</value>
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                <transactionPricePerShare>
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                <transactionAcquiredDisposedCode>
                    <value>D</value>
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            <exerciseDate>
                <footnoteId id="F7"/>
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            <expirationDate>
                <value>2013-07-13</value>
            </expirationDate>
            <underlyingSecurity>
                <underlyingSecurityTitle>
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                </underlyingSecurityTitle>
                <underlyingSecurityShares>
                    <value>4976</value>
                </underlyingSecurityShares>
            </underlyingSecurity>
            <postTransactionAmounts>
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                <equitySwapInvolved>0</equitySwapInvolved>
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            <transactionTimeliness>
                <value></value>
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                <transactionShares>
                    <value>6822</value>
                </transactionShares>
                <transactionPricePerShare>
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                <value>14.63</value>
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            <transactionCoding>
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                <value></value>
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                <transactionShares>
                    <value>17241</value>
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                <transactionPricePerShare>
                    <footnoteId id="F9"/>
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                    <value>D</value>
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            <exerciseDate>
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            <expirationDate>
                <value>2015-07-01</value>
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            <underlyingSecurity>
                <underlyingSecurityTitle>
                    <value>Common Stock</value>
                </underlyingSecurityTitle>
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    <footnotes>
        <footnote id="F1">Disposed of pursuant to an Agreement and Plan of Merger dated as of April 7, 2009 between Centex Corporation and Pulte Homes, Inc. (&quot;Merger Agreement&quot;) in exchange for a restricted stock unit covering 8,456 shares of Pulte common stock to be settled on August 6, 2012.</footnote>
        <footnote id="F2">Disposed of pursuant to the Merger Agreement in exchange for 25,318 shares of Pulte common stock owned directly.</footnote>
        <footnote id="F3">On the merger effective date, shares of Pulte common stock had a market value of $12.33 per share.</footnote>
        <footnote id="F4">This option, which was fully vested, was assumed by Pulte Homes, Inc. in the merger and replaced with an option to purchase 5,448 shares of Pulte common stock for $32.66 per share.</footnote>
        <footnote id="F5">This option, which was fully vested, was assumed by Pulte Homes, Inc. in the merger and replaced with an option to purchase 3,680 shares of Pulte common stock for $46.40 per share.</footnote>
        <footnote id="F6">This option, which was fully vested, was assumed by Pulte Homes, Inc. in the merger and replaced with an option to purchase 2,769 shares of Pulte common stock for $58.84 per share.</footnote>
        <footnote id="F7">This option, which was fully vested, was assumed by Pulte Homes, Inc. in the merger and replaced with an option to purchase 4,851 shares of Pulte common stock for $48.98 per share.</footnote>
        <footnote id="F8">This option, which was fully vested, was assumed by Pulte Homes, Inc. in the merger and replaced with an option to purchase 6,651 shares of Pulte common stock for $39.53 per share.</footnote>
        <footnote id="F9">This option, which was fully vested, was assumed by Pulte Homes, Inc. in the merger and replaced with an option to purchase 16,809 shares of Pulte common stock for $15.01 per share.</footnote>
    </footnotes>

    <remarks></remarks>

    <ownerSignature>
        <signatureName>James R. Peacock III as attorney-in-fact for Thomas M. Schoewe</signatureName>
        <signatureDate>2009-08-20</signatureDate>
    </ownerSignature>
</ownershipDocument>
</XML>
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
-----END PRIVACY-ENHANCED MESSAGE-----