document.write( "Question 37253: My problem does not come from a textbook, but a worksheet. \r
\n" ); document.write( "\n" ); document.write( "I need to divide this rational expression:\r
\n" ); document.write( "\n" ); document.write( "((x^3-2x^2-63x)/(x^2-49)) / ((x^2-81)/x^2-7x)) \r
\n" ); document.write( "\n" ); document.write( "sorry, I do not know how to make fractions or exponents on my computer.
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Algebra.Com's Answer #23048 by fractalier(6550)\"\" \"About 
You can put this solution on YOUR website!
After you factor everything, then invert the denominator, and then cancel where you can the answer boils down to
\n" ); document.write( "x^2 / (x + 9)
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