document.write( "Question 298952: simplify x^2+7x/3x/49-x^2/3x-21 \n" ); document.write( "
Algebra.Com's Answer #214997 by ankor@dixie-net.com(22740)\"\" \"About 
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simplify
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\n" ); document.write( "\"%2849-x%5E2%29%2F%283x-21%29\"
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\n" ); document.write( "Invert the dividing fraction and multiply:
\n" ); document.write( "\"%28x%5E2%2B7x%29%2F%283x%29\" * \"%283x-21%29%2F%2849-x%5E2%29\"
\n" ); document.write( ":
\n" ); document.write( "factor and cancel x, (x+7), (x-7) and 3. just leaving us with one
\n" ); document.write( "\"%28x%28x%2B7%29%29%2F%283x%29\" * \"%283%28x-7%29%29%2F%287-x%29%287%2Bx%29%29\" = 1
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