document.write( "Question 876378: (9-x^2)/(3x+9) divided by (x^2-5x+6)/(x^2+2x+1)\r
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Algebra.Com's Answer #528790 by KMST(5328)\"\" \"About 
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\n" ); document.write( "Since \"%28-1%29%28x-3%29=-x%2B3=3-x\" ,
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