document.write( "Question 651602: simplify; (4a-2b-1)(-ab) please show me work. I believe I have it simplified but in a uncanny way. my answer is -4ab+2ab+ab \n" ); document.write( "
Algebra.Com's Answer #407733 by jim_thompson5910(35256)\"\" \"About 
You can put this solution on YOUR website!
\"%284a-2b-1%29%28-ab%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28-ab%29%284a-2b-1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"%28-ab%29%284a%29%2B%28-ab%29%28-2b%29%2B%28-ab%29%28-1%29\"\r
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\n" ); document.write( "\n" ); document.write( "\"-4a%5E2b%2B2ab%5E2%2Bab\"\r
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\n" ); document.write( "\n" ); document.write( "\"-4a%5E2b%2Bab%2B2ab%5E2\"\r
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\n" ); document.write( "\n" ); document.write( "So \"%284a-2b-1%29%28-ab%29\" simplifies to \"-4a%5E2b%2Bab%2B2ab%5E2\"\r
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