document.write( "Question 971862: I am adding rational expressions but have run into a snag. here is the expression, I hope you can help me.\r
\n" ); document.write( "\n" ); document.write( "x^2-16x-45/x^2-3x-18 + x^2-2x-27/x^2-3x-18\r
\n" ); document.write( "\n" ); document.write( "My snag is, I can't figure out how to factor the first numerator because I don\"t see any terms that make the product -45 = to the sum of -16.
\n" ); document.write( "I hope I explained it right. Can you help me?
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Algebra.Com's Answer #594248 by Alan3354(69443)\"\" \"About 
You can put this solution on YOUR website!
x^2-16x-45/x^2-3x-18 + x^2-2x-27/x^2-3x-18\r
\n" ); document.write( "\n" ); document.write( "My snag is, I can't figure out how to factor the first numerator because I don\"t see any terms that make the product -45 = to the sum of -16.
\n" ); document.write( "-------------
\n" ); document.write( "You're right, it can't be factored.
\n" ); document.write( "The DENs are the same, so add them.
\n" ); document.write( "= \"%282x%5E2+-+18x+-+72%29%2F%28%28x%2B3%29%2A%28x-6%29%29\"
\n" ); document.write( "= \"2%28x%5E2+-+9x+-+36%29%2F%28%28x%2B3%29%2A%28x-6%29%29\"
\n" ); document.write( "= \"2%28x%2B3%29%2A%28x+-+12%29%2F%28%28x%2B3%29%2A%28x-6%29%29\"
\n" ); document.write( "= \"2%28x+-+12%29%2F%28x-6%29%29\"
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