Question

How do you combine `(x^2+3x-1)-(4x^2-5x+6)`?

Answer 1

`=color(blue)(-3x^2) + color(green)(8x) - 7`

Explanation:

`(x^2+3x−1)−(4x^2−5x+6)`

`=x^2+3x−1−4x^2+5x-6`

Combining like terms

`=color(blue)(x^2-4x^2) + color(green)(3x+5x) - 1-6`

`=color(blue)(-3x^2) + color(green)(8x) - 7`