SOLUTION: f(x) = (x + 2)(2x - 3). f(-2) =

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: f(x) = (x + 2)(2x - 3). f(-2) =      Log On


   

Question 147796: f(x) = (x + 2)(2x - 3). f(-2) =
Answer by Fombitz(32388) About Me  (Show Source):
You can put this solution on YOUR website!
f%28x%29=%28x%2B2%29%282x-3%29
Wherever there is an x, substitute -2.
f%28-2%29=%28-2%2B2%29%282%28-2%29-3%29
f%28-2%29=%280%29%28-4-3%29
f%28-2%29=%280%29%28-7%29
f%28-2%29=0