Question

How do you simplify `(9t^4+5t+8)-(3t^2-6t-4)`?

Answer 1

`9t^4 - 3t^2 + 11t + 12`

Explanation:

First, expand and combine the terms in parenthesis:

`9t^4 + 5t + 8 - 3t^2 + 6t + 4 =>`

`9t^4 - 3t^2 + 5t + 6t + 8 + 4 =>`

`9t^4 - 3t^2 + 11t + 12`