document.write( "Question 464758: How do I multiply this?
\n" ); document.write( "(x^2+7x)(x^2-7x)
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Algebra.Com's Answer #318409 by robertb(5830)\"\" \"About 
You can put this solution on YOUR website!
It becomes a difference of two squares: \"%28x%5E2%29%5E2+-+%287x%29%5E2+=+x%5E4+-+49x%5E2\" \n" ); document.write( "
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