document.write( "Question 459821: How do you determine if a ploynomial is the difference of two squares? \n" ); document.write( "
Algebra.Com's Answer #315338 by algebrahouse.com(1659)\"\" \"About 
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If it has two perfect squares with a minus sign between them.
\n" ); document.write( "It is in the form aČ - bČ\r
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\n" ); document.write( "\n" ); document.write( "A \"perfect square\" has a perfect square root.
\n" ); document.write( "Examples of perfect squares are:
\n" ); document.write( "9, 25, x^2, 16z^6, etc......for the variables, perfect squares have even exponents.
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