document.write( "Question 329548: Please help me work this problem. I really need to understand...\r
\n" ); document.write( "\n" ); document.write( "2x/x^2-9 + 3x/x^2+4x+3\r
\n" ); document.write( "\n" ); document.write( "Thank you in advance for your help! \n" ); document.write( "

Algebra.Com's Answer #236223 by ankor@dixie-net.com(22740) $\"\"$ $\"About$

You can put this solution on YOUR website!
$\"%282x%29%2F%28x%5E2-9%29\"$ + $\"%283x%29%2F%28x%5E2%2B4x%2B3%29\"$
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\n" ); document.write( "We can factor both denominators (the 1st one is the \"difference of squares\")
\n" ); document.write( " $\"%282x%29%2F%28%28x-3%29%28x%2B3%29%29\"$ + $\"%283x%29%2F%28%28x%2B3%29%28x%2B1%29%29\"$
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\n" ); document.write( "The common denominator is (x-3)(x+3)(x+1)
\n" ); document.write( " $\"%282x%28x%2B1%29+%2B+3x%28x-3%29%29%2F%28%28x-3%29%28x%2B3%29%28x%2B1%29%29\"$
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\n" ); document.write( "Multiply inside the brackets
\n" ); document.write( " $\"%282x%5E2+%2B+2x+%2B+3x%5E2+-+9x%29%2F%28%28x-3%29%28x%2B3%29%28x%2B1%29%29\"$
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\n" ); document.write( "Combine like terms in the numerator
\n" ); document.write( " $\"%285x%5E2+-+7x%29%2F%28%28x-3%29%28x%2B3%29%28x%2B1%29%29\"$ = $\"%28x%285x+-+7%29%29%2F%28%28x-3%29%28x%2B3%29%28x%2B1%29%29\"$ \n" ); document.write( "

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