Question

How do you combine `(3x^2 - 2x + 1) - (2x^2 + x - 3)`?

Answer 1

`=color(blue)(x^2)−color(green)(3x) +4`

Explanation:

`(3x^2−2x+1)−(2x^2+x−3)`

`3x^2−2x+1−2x^2-x+3`

Grouping like terms
`color(blue)(3x^2-2x^2)−color(green)(2x-x) + 1+3`

`=color(blue)(x^2)−color(green)(3x) +4`