Question

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

Answer 1

-17

Substitute the value of the variable into the expression and simplify

Answer 2

-3(2)-3(2)3+-3(2)+2(2)3--3(2)
I got -12