# How do you subtract (6x^2 + x + 4) - (x^2 - x + 9)?

May 26, 2018

$5 {x}^{2} + 2 x - 5$

#### Explanation:

$\left(6 {x}^{2} + x + 4\right) - \left({x}^{2} - x + 9\right)$

means:

$\left(6 {x}^{2} + x + 4\right) - 1 \left({x}^{2} - x + 9\right)$

use the distributive property:

$6 {x}^{2} + x + 4 - {x}^{2} + x - 9$

combine like terms:

$5 {x}^{2} + 2 x - 5$