SOLUTION: 18z + 45 + z^2?
Algebra.Com
Question 260624: 18z + 45 + z^2?
Answer by mananth(16946) (Show Source): You can put this solution on YOUR website!
18z + 45 + z^2?
rewrite
z^2 +18z+45=0
z^2+15z+3z+45=0
z(z+15) + 3(z+15) =0
(z+15)(z+3) =0
z=-15 or z= -3
M ananth--------- mananth@hotmail.com
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