document.write( "Question 270366: factor by grouping, ab+10a-2b-20 \n" ); document.write( "

Algebra.Com's Answer #198107 by JBarnum(2146) $\"\"$ $\"About$

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$\"ab%2B10a-2b-20\"$ just like any other factoring a times b= ab and they give u the 2 numbers u need to get -20, and it tells u that the -2 has to multiply with b and that the +10 has to multiply with a, so we get:
\n" ); document.write( " $\"%28a-2%29%28b%2B10%29\"$ \n" ); document.write( "

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