Question

How do you combine like terms in `4x ^ { 2} + 2x - 4- 5x - 5`?

Answer 1

See a solution process below:

Explanation:

First, group like terms:

`4x^2 + 2x - 5x - 4 - 5`

Now, combine like terms:

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

`4x^2 + (-3)x + (-9)`

`4x^2 - 3x - 9`