document.write( "Question 146857: how would i do this? Combine the following fractions by addition or subtraction as directed\r
\n" ); document.write( "\n" ); document.write( "3 over a+2 + 4 over 2-a - 6 over asq. - 4
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Algebra.Com's Answer #107250 by Fombitz(32388)\"\" \"About 
You can put this solution on YOUR website!
From your explanation, I think this is your problem.
\n" ); document.write( "\"3%2F%28a%2B2%29%2B4%2F%282-a%29-6%2F%28a%5E2-4%29\"
\n" ); document.write( "First step is to find a common denominator.
\n" ); document.write( "Let's re-write the equation using the following,
\n" ); document.write( "\"a%5E2-4=%28a%2B2%29%28a-2%29\"
\n" ); document.write( "Using this identity, we can find the common denominator,
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\n" ); document.write( "If we multiply the first term by (a-2)/(a-2)
\n" ); document.write( "and the second term by (a+2)/(a+2), then we
\n" ); document.write( "will have the common denominator (a+2)(a-2).
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\n" ); document.write( "\"3%2F%28a%2B2%29%2B4%2F%282-a%29-6%2F%28a%5E2-4%29=%28-a-20%29%2F%28%28a%2B2%29%28a-2%29%29\"
\n" ); document.write( "\"3%2F%28a%2B2%29%2B4%2F%282-a%29-6%2F%28a%5E2-4%29=-%28a%2B20%29%2F%28%28a%2B2%29%28a-2%29%29\"
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