Question

How do you combine `(4b ^ { 3} + 3b ) - ( 7b ^ { 3} + 8)`?

Answer 1

`-3b^3+3b-8`

Explanation:

Distribute out the brackets.

`4b^3+3b-7b^3-8`

Now, you can combine like-terms.

`-3b^3+3b-8`

No more like-terms, so that is the final answer:

`-3b^3+3b-8`