document.write( "Question 733782: (2x^2+9y^2-8)-(7x^2+9y^2-3) \n" ); document.write( "

Algebra.Com's Answer #448597 by MathLover1(20849) $\"\"$ $\"About$

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\n" ); document.write( "\n" ); document.write( " $\"%282x%5E2%2B9y%5E2-8%29-%287x%5E2%2B9y%5E2-3%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"2x%5E2%2B9y%5E2-8-7x%5E2-9y%5E2%2B3\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"%282x%5E2-7x%5E2%29%2B%289y%5E2-9y%5E2%29%2B%283-8%29\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"-5x%5E2%2B%28cross%289y%5E2%29-cross%289y%5E2%29%29-5\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"-5x%5E2-5\"$ \r
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\n" ); document.write( "\n" ); document.write( " $\"-5%28x%5E2%2B1%29\"$ \r
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