Question

How do you combine (3x² - 2x) - (3x² + 5x - 1)?

Answer 1

`=-7x +1`

Explanation:

`(3x^2 - 2x) - (3x^2 + 5x - 1)`

`3x^2- 2x - 3x^2 - 5x + 1`

combining like terms
`=color(blue)(3x^2 - 3x^2) + color(green)((- 2x - 5x)) + 1`

`=0 color(green)(- 7x) + 1`

`=-7x +1`