Question

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

-67

-17

-31

1

Answer 1

are the numbers after the letters supposed to be powers?

Answer 2

I can't imagine it being anything else

Answer 3

But do write your exponents with ^

Answer 4

so will be

-9 -3*8 +9 +2*8 -9 = -24 +16 -9 = 16 -33 = -17

hope this will help you