document.write( "Question 403985: What is the answer for (2x+7y cm)(2x- 7y cm) \n" ); document.write( "
Algebra.Com's Answer #285558 by stanbon(75887)\"\" \"About 
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What is the answer for
\n" ); document.write( "(2x+7y cm)(2x- 7y cm)
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\n" ); document.write( "= (2x)^2-(7y)^2
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\n" ); document.write( "= 4x^2-49y^2
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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