SOLUTION: I dont even know where to start Find the value of the polynomial x3 – 4x when x = –2. A) –2 B) 0 C) 2 D) 14

Algebra ->  Quadratic Equations and Parabolas -> SOLUTION: I dont even know where to start Find the value of the polynomial x3 – 4x when x = –2. A) –2 B) 0 C) 2 D) 14       Log On


   

Question 103569: I dont even know where to start
Find the value of the polynomial x3 – 4x when x = –2.
A) –2
B) 0
C) 2
D) 14
Answer by edjones(8007) About Me  (Show Source):
You can put this solution on YOUR website!
x3 – 4x
Start by substituting -2 for x.
-2^3-4*-2=-8+8=0
Ed