Question

Evaluate the following expression using the values given:

Find -a2 - 3b3 + c2 + 2b3 - c2 if a = 3, b = 2, and c = -3

Answer 1

a=3--> a^2 =?

Answer 2

-3^2

Answer 3

ok, you skip the first step, but it's ok, -a^2= -3^2 =??

Answer 4

9

Answer 5

-9, not 9