Question

Evaluate the expression below when x = -4.

4x2 - 2x × 15

Select one of the options below as your answer:

A.
-56
B.
184
C.
376
D.
1,080

Answer 1

Use a calculator and plug 'n chug

Answer 2

yep, just use substitution. for every x you see in the equation, replace it with a -4

Answer 3

I Got -28