Question

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

Answer 1

smith can you help please (:

Answer 2

All you have to do is replace the letters with those numbers.

Answer 3

IK i tryed i still got it wrong

Answer 4

Show your work then.

Answer 5

okay thanks :)

Answer 6

I got -37

Answer 7

Doesn't look like it's either of those numbers. By show your work, i mean, show what you are doing, show your steps.

Answer 8

Yes. I just worked it out, and checked on wolfram alpha, it's not 39 or -37

Answer 9

I think its 19