document.write( "Question 167625: simplify using positive exponents\r
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Algebra.Com's Answer #123547 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
(x-4)(x+4x+16)\r
\n" ); document.write( "\n" ); document.write( "= (x-4)(5x+16)\r
\n" ); document.write( "\n" ); document.write( "= 5x^2 -4x - 64\r
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\n" ); document.write( "Chers,
\n" ); document.write( "Stan H.
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