Question

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

substitute the values
-(-3)^2-3(2)^2+(-3)^2 +2(2)^3-(-3)^2

Answer 2

I did that already :/ I used PEMDAS and I still cant get it
I always get the wrong thing

Answer 3

-9-12+9+16-9
4-9
-5

Answer 4

That doesn't seem right. Did you see the answer choices?

Answer 5

yes i did but this is the ans u would get if u wud slove iti calculate it thrice...

Answer 6

What did I do wrong?