document.write( "Question 158870: Simplify by removing factors of 1.\r
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Algebra.Com's Answer #117059 by checkley77(12844)\"\" \"About 
You can put this solution on YOUR website!
z^2-13z+36 / z^2+5z-36
\n" ); document.write( "(z-9)(z-4)/(z-4)(z+9)
\n" ); document.write( "(z-9)/(z+9) answer.
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