Question

What is the value of -2x^2-4x-11 if x=-3​

Answer 1

10

Explanation:

-2x^2 = - -3^2

= 9

9-4x = 9- -12

= 21

21-11= 10

Answer 2

Replace every x with -3.

-2(-3)^2 - 4(-3) - 11

-2(9) + 12 - 11

-18 + 1

-17