Question

PLEASE HELP!
Evaluate the following expression using the values given:

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

-67

-17

-31

1

Answer 1

-(3)2-3(2)3+(-3)2+2(2)3-(-3)2
then you use PEMDAS, so you will do the multiplication first.
-6-18+-6+12--6
the plus and minus -6 cancel leaving you with
-6-18+12
and i keep getting -12