Question

Find −3a2 − b3 + 3c2 − 2b3 if a = 2, b = −1, and c = 3.

Answer 1

-3(2)*2-(-1)*3+3(3)*2-2*(-1)*3

Answer 2

change doubble negs to 1 pos

Answer 3

-3(2)*2+1*3+3(3)*2-2*(-1)*3

Answer 4

Pemdas

Answer 5

mulitply from left to right

Answer 6

Now solve it