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These resources are designed to help you familiarize yourself with the exam format, identify key topics, and practice effectively. Whether you're preparing for the May/June or GCE sessions, our curated materials provide both objective and theory questions to enhance your study sessions.","tags","waec nigeria west africa examination council","version","vip","location",{"_390":391,"_392":393},"type","Point","coordinates",[394,395],9.082,10.3671,"ng","priority",10,"createdOn",1755991949910,"updatedOn","questionsCount",27220,"courseCount",23,"examKey","questionData",{"_369":409,"_410":411,"_412":413,"_278":414,"_415":416,"_263":370,"_417":418,"_419":420,"_110":425},"5ZTypghsxr8R23leDmSGKLVMDCf781","q","Factorize; (2x + 3y)² - (x - 4y)²","ans",[95],"2016","course","mathematics","exp","(2x + 3y)² - (x - 4y)²
\n
\n= (2x + 3y)(2x + 3y) - (x - 4y)(x - 4y)
\n
\n= 4x² + 12xy + 9y² - (x² - 8xy+ 16y²)
\n
\n= 4x² + 12xy + 19y² - x² + 8xy - 16y²
\n
\n= 3x² + 20xy - 7y²
\n
\n= 3x² + 21xy - xy - 7y²
\n
\n= 3x(x + 7y) - y(x + 7y)
\n
\n= (3x - y)(x + 7y)","opts",[421,422,423,424],"(3x - y)(x + 7y)","(3x + y)(2x - 7y)","(3x + y)(x - 7y)","(3x - y)(2x + 7y)",14,"14","initComment","initReply","actionData","errors"]

WAEC - Mathematics (2016 - No. 14)

Explanation

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