Question

How do you combine like terms in `(4a^2-3a+6)-(7a^2+2a-5)`?

Answer 1

`-3a^2 -5a +11`

Explanation:

Remove brackets but apply the minus sign

`4a^2 -3a+6-7a^2 -2a+5`

Combine the like terms

`-3a^2 -5a +11`