document.write( "Question 266169: My question is regarding multiplying fractions and canceling out terms. The problem is (a+b)/2*(10x+2)/b^2-a^2. I have no idea where to even start because I know that I can't cancel out anything when it's in this form. Help please! \n" ); document.write( "
Algebra.Com's Answer #195591 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%28%28a%2Bb%29%2F%282%29%29%28%2810x%2B2%29%2F%28b%5E2-a%5E2%29%29\" Start with the given expression.\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28a%2Bb%29%2F%282%29%29%28%282%285x%2B1%29%29%2F%28b%5E2-a%5E2%29%29\" Factor \"10x%2B2\" to get \"2%285x%2B1%29\".\r
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\n" ); document.write( "\n" ); document.write( "\"%28%28a%2Bb%29%2F%282%29%29%28%282%285x%2B1%29%29%2F%28%28b%2Ba%29%28b-a%29%29%29\" Factor \"b%5E2-a%5E2\" to get \"%28b%2Ba%29%28b-a%29\".\r
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\n" ); document.write( "\n" ); document.write( "\"%282%28a%2Bb%29%285x%2B1%29%29%2F%282%28b%2Ba%29%28b-a%29%29\" Combine the fractions. \r
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\n" ); document.write( "\n" ); document.write( "\"%282%28a%2Bb%29%285x%2B1%29%29%2F%282%28a%2Bb%29%28b-a%29%29\" Rewrite \"b%2Ba\" (in the denominator) as \"a%2Bb\"\r
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\n" ); document.write( "\n" ); document.write( " Highlight the common terms. \r
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\n" ); document.write( "\n" ); document.write( " Cancel out the common terms. \r
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\n" ); document.write( "\n" ); document.write( "\"%285x%2B1%29%2F%28b-a%29\" Simplify. \r
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\n" ); document.write( "\n" ); document.write( "So \"%28%28a%2Bb%29%2F%282%29%29%28%2810x%2B2%29%2F%28b%5E2-a%5E2%29%29\" simplifies to \"%285x%2B1%29%2F%28b-a%29\".\r
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\n" ); document.write( "\n" ); document.write( "In other words, \"%28%28a%2Bb%29%2F%282%29%29%28%2810x%2B2%29%2F%28b%5E2-a%5E2%29%29=%285x%2B1%29%2F%28b-a%29\"
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