document.write( "Question 222637: Banging my head on desk. Please help\r
\n" ); document.write( "\n" ); document.write( "(3x/(x^2-4)+(3+x)/(x+2)\r
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\n" ); document.write( "\n" ); document.write( "I know that the solution is x^2+4x-6/x^2-1 \r
\n" ); document.write( "\n" ); document.write( "Have no idea how to get there.
\n" ); document.write( "Thank you
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Algebra.Com's Answer #166726 by ankor@dixie-net.com(22740)\"\" \"About 
You can put this solution on YOUR website!
\"%283x%29%2F%28x%5E2-4%29\" + \"%283%2Bx%29%2F%28x%2B2%29\"
\n" ); document.write( "The first denominator is \"difference of squares\" factor it
\n" ); document.write( "\"%283x%29%2F%28%28x-2%29%28x%2B2%29%29\" + \"%283%2Bx%29%2F%28x%2B2%29\"
\n" ); document.write( "We can see the common denominator is: (x-2)(x+2) so we have
\n" ); document.write( "\"%28%283x%29+%2B+%28x-2%29%283%2Bx%29%29%2F%28%28x-2%29%28x%2B2%29%29\"
\n" ); document.write( "FOIL
\n" ); document.write( "\"%28%283x%29+%2B+%283x+%2B+x%5E2+-+6+-2x%29%29%2F%28%28x-2%29%28x%2B2%29%29\"
\n" ); document.write( "group like terms and combine
\n" ); document.write( "\"%28%28x%5E2+%2B+3x+%2B+3x+-+2x+-+6%29%29%2F%28%28x-2%29%28x%2B2%29%29\" = \"%28%28x%5E2+%2B+4x+-+6%29%29%2F%28%28x-2%29%28x%2B2%29%29\"
\n" ); document.write( "Foil the denominator to get the original denominator
\n" ); document.write( "\"%28%28x%5E2+%2B+4x+-+6%29%29%2F%28x%5E2-4%29\"
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