document.write( "Question 31513: Factor: p^2-p-90 \n" ); document.write( "
Algebra.Com's Answer #18186 by mukhopadhyay(490)\"\" \"About 
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p^2-p-90
\n" ); document.write( "=p^2-10p+9p-90
\n" ); document.write( "=p(p-10)+9(p-10)
\n" ); document.write( "=(p-10)(p+9)
\n" ); document.write( "
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