# How do you simplify 2(x^2-81)-3x^2?

Jun 3, 2017

$- {x}^{2} - 162$

#### Explanation:

Use the Distributive property. Multiply the $2$ by the terms in the parentheses.

$2 {x}^{2} - 162 - 3 {x}^{2}$

Combine the ${x}^{2}$ terms.

$- {x}^{2} - 162$