SOLUTION: if z = -5, what is the value of the expression below? 2z^2 - 4z +3

SOLUTION: if z = -5, what is the value of the expression below? 2z^2 - 4z +3

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Question 532796: if z = -5, what is the value of the expression below?

2z^2 - 4z +3
Answer by boilpoil(127) (Show Source): You can put this solution on YOUR website!
2(-5)^2-4(-5)+3
=2(25)+20+3
=50+20+3
=73
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