document.write( "Question 171488: How do I divide? Do I cancell out first?
\n" ); document.write( "fraction 1: 12-4x/x^2-1
\n" ); document.write( "divided by
\n" ); document.write( "fraction 2: 9-x^2/x^2+4x+3
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Algebra.Com's Answer #126628 by monika_p(71)\"\" \"About 
You can put this solution on YOUR website!
Fraction \"%2812-4x%29%2F%28x%5E2-1%29\" write as\r
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\n" ); document.write( "\n" ); document.write( "Fraction \"%289-x%5E2%29%2F%28x%5E2%2B4x%2B3%29\" write as\r
\n" ); document.write( "\n" ); document.write( "\"%28%28-1%29%28x%5E2-9%29%29%2F%28%28+x%2B3%29%28x%2B1%29%29\" =
\n" ); document.write( "\"%28%28-1%29%28x%2B3%29%28x-3%29%29%2F%28%28x%2B3%29%28x%2B1%29%29\"= \"%28%28-1%29%28x-3%29%29%2F%28x%2B1%29\"\r
\n" ); document.write( "\n" ); document.write( "to divide 2 fractions means multiply first by inverse of the second:\r
\n" ); document.write( "\n" ); document.write( "\"%28%28-4%29%28x-3%29%29%2F%28%28x-1%29%28x%2B1%29%29\" * \"%28x%2B1%29%2F%28%28-1%29%28x-3%29%29\" = \"%28%28-4%29%28x-3%29%28x%2B1%29%29%2F%28%28x-1%29%28x%2B1%29%28-1%29%28x-3%29%29\" = \"4%2F%28x-1%29\"
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