Question

4
what is the value of the polynomial 4x3+
7x2+x-2 when x = -1​

Answer 1

Hey!

We have to replace the “x” with “-1”

So...:

4.(-1)^3 + 7.(-1)^2 + (-1) - 2

4.(-1) + 7.(1) - 1 - 2

-4 + 7 - 1 - 2

0

The answer is 0.