document.write( "Question 106579: Divide.
\n" ); document.write( "x^2-49y^2/6x^2+42y divided by (x^2-7xy)
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Algebra.Com's Answer #77578 by MathLover1(20850)\"\" \"About 
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\"%28x%5E2-%2849y%5E2%29%29%2F%286x%5E2%2B42y%29\" divided by \"%28x%5E2-7xy%29\"
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\n" ); document.write( "You can multiply by \"+1%2F%28x%5E2-7xy%29%29\"
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\n" ); document.write( "= \"%28%28x%5E2-%2849y%5E2%29%29%2F6%28x%5E2%2B7y%29%29%28+1%2Fx%28x-7y%29%29\" \r
\n" ); document.write( "\n" ); document.write( "Since \"%28x%5E2+-+%2849y%5E2%29%29+=+%28x%2B7y%29%28x-7y%29\", and \"6\" as a common factor in \"%286x%5E2+%2B+42y%29\" => we can write it \"6%28x%5E2%2B7y%29\",\r
\n" ); document.write( "\n" ); document.write( "then we will have:\r
\n" ); document.write( "\n" ); document.write( "= \"%28%28x%2B7y%29%28x-7y%29%2F6%28x%5E2%2B7y%29%29%28+1%2F%28x%28x-7y%29%29%29\" ..eliminate \"x\"\"7y\"\r
\n" ); document.write( "\n" ); document.write( "= \"%28x%2B7y%29%2F%286x%28x%5E2%2B7y%29%29\"\r
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