SOLUTION: Factor. Check by multiplying the factors. If the polynomial is not factorable, write prime. 72-17z+z^2

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: Factor. Check by multiplying the factors. If the polynomial is not factorable, write prime. 72-17z+z^2       Log On


   

Question 72178: Factor. Check by multiplying the factors. If the polynomial is not factorable, write prime.
72-17z+z^2
Answer by stanbon(75887) About Me  (Show Source):
You can put this solution on YOUR website!
72-17z+z^2
= (8-z)(9-z)
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(8-z)(9-z) = 72-8z-9z+z^2
=72-17z+z^2
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Cheers,
Stan H.