Question

How do you combine `(5a+4)-(4+2a^2)`?

Answer 1

`(5a +4) - (4 + 2a^2)`

`= 5a + 4 - 4 - 2a^2`

We group the Like Terms

`= (4 -4) +5a - 2a^2`
`= color(green)(5a - 2a^2`