document.write( "Question 1174786: I do not know if the topic I choose is correct.
\n" ); document.write( "But the question and directions are: Write the given expression as an equivalent rational expression that has the given denominator.
\n" ); document.write( " $\"3x%5E3%2F%283x-6%29\"$ The denominator needs to be: (2-x)(x^2+9)\r
\n" ); document.write( "\n" ); document.write( "I pulled out the 3 from both top and bottom and cross canceled making the expression: $\"x%5E3%2F-1%282-x%29\"$ \r
\n" ); document.write( "\n" ); document.write( "But I do not know how to get rid of the -1 on the bottom to make the denominator (2-x)(x^2+9) and I know you have to multiply by (x^2+9) on both the top and bottom but I don't know how to get ride of the -1. \n" ); document.write( "

Algebra.Com's Answer #800261 by Edwin McCravy(20056) $\"\"$ $\"About$

You can put this solution on YOUR website!

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document.write( "The trick for reversing a subtraction A-B to make it involve B-A is to\r\n" );
document.write( "multiply by -1, making it -A+B, then you can turn it around as B-A.\r\n" );
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document.write( "Edwin

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