Question

9.Find the value of the polynomial 5x-4x²+3 at x = -2.​

Answer 1

Answer:

-23

Step-by-step explanation:

x=-2

5(-2)-4(-2)square+3

(-10)-16+3

-10-16+3

-26+3

-23

Answer 2

Answer:

-23

Step-by-step explanation:

5x-4x²+3 = 5(-2)-4(-2)²+3 = -10 - 16 + 3 = -23