Question

How do you combine (8x² - 4x - 3) - (-2x - x² + 5)?

Answer 1

`=9x^2-2x -8`

Explanation:

`(8x^2-4x -3) - (-2x-x^2+5)`

`=8x^2-4x -3 +2x+x^2-5`

combining like terms
`=color(blue)((8x^2+x^2)) -color(green)(4x +2x)-3 -5`

`=9x^2-2x -8`