Question

Help. Best answer = Brainiest

Answer 1

Answer:

10

Step-by-step explanation:

Answer 2

Answer:

-10

Step-by-step explanation

By substituting -2 in for all the X's you have (-2)^2+2(-2)-10. After ths is simplified you have 4+(-4)-10. -4+4 =0 and 0-10= -10