document.write( "Question 278017: how do i factor 4x squared minus 81y squared \n" ); document.write( "
Algebra.Com's Answer #202352 by richwmiller(17219)\"\" \"About 
You can put this solution on YOUR website!
4x^2-81y^2
\n" ); document.write( "(2x-9y)*(2x+9y)
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