document.write( "Question 1095268: how much xsquare -y square ? if x+y=66 xy=9
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Algebra.Com's Answer #854190 by greenestamps(13326) $\"\"$ $\"About$

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\n" ); document.write( "Given: x+y=66; xy=9

\n" ); document.write( "Find: $\"x%5E2-y%5E2\"$

\n" ); document.write( " $\"x%5E2-y%5E2=%28x%2By%29%28x-y%29=66%28x-y%29\"$

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\n" ); document.write( " $\"x%5E2-y%5E2=%2866%29%2812sqrt%2830%29%29=792sqrt%2830%29\"$

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