document.write( "Question 201978: Solve: (a-b)^2/a^2-b^2. Please help me to simplify. \n" ); document.write( "
Algebra.Com's Answer #152215 by jim_thompson5910(35256)\"\" \"About 
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\"%28%28a-b%29%5E2%29%2F%28a%5E2-b%5E2%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28a-b%29%28a-b%29%29%2F%28a%5E2-b%5E2%29\" Expand the numerator\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28a-b%29%28a-b%29%29%2F%28%28a-b%29%28a%2Bb%29%29\" Factor the denominator\r
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\n" ); document.write( "\n" ); document.write( "\"%28highlight%28%28a-b%29%29%28a-b%29%29%2F%28highlight%28%28a-b%29%29%28a%2Bb%29%29\" Highlight the common terms.\r
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\n" ); document.write( "\n" ); document.write( "\"%28cross%28%28a-b%29%29%28a-b%29%29%2F%28cross%28%28a-b%29%29%28a%2Bb%29%29\" Cancel out the common terms.\r
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\n" ); document.write( "\n" ); document.write( "\"%28a-b%29%2F%28a%2Bb%29\" Simplify\r
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\n" ); document.write( "\n" ); document.write( "So \"%28%28a-b%29%5E2%29%2F%28a%5E2-b%5E2%29=%28a-b%29%2F%28a%2Bb%29\"
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