document.write( "Question 72178: Factor. Check by multiplying the factors. If the polynomial is not factorable, write prime. \r
\n" ); document.write( "\n" ); document.write( "72-17z+z^2
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Algebra.Com's Answer #51587 by stanbon(75887)\"\" \"About 
You can put this solution on YOUR website!
72-17z+z^2
\n" ); document.write( "= (8-z)(9-z)
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\n" ); document.write( "(8-z)(9-z) = 72-8z-9z+z^2
\n" ); document.write( "=72-17z+z^2
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\n" ); document.write( "Cheers,
\n" ); document.write( "Stan H.
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