document.write( "Question 110917: Factor the trinomial.\r
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\n" ); document.write( "\n" ); document.write( "-8 a 2 - ab + 9 b 2
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Algebra.Com's Answer #80897 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
Factor the trinomial. \r
\n" ); document.write( "\n" ); document.write( "-8 a 2 - ab + 9 b 2 \r
\n" ); document.write( "\n" ); document.write( "= -8a^2 +8ab-9ab+9b^2\r
\n" ); document.write( "\n" ); document.write( "= -8a(a-b) -9b(a-b)\r
\n" ); document.write( "\n" ); document.write( "= -(a-b)(8a+9b)
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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