# How do you simplify 3x^2+2x(x-5)?

Jul 10, 2015

$5 x \left(x - 2\right)$

#### Explanation:

$3 {x}^{2} + 2 x \left(x - 5\right)$

Distribute the $2 x$ by multiplying it times the terms inside the parentheses.

$3 {x}^{2} + 2 {x}^{2} - 10 x$

$5 {x}^{2} - 10 x$
Factor out the GCF $5 x$.
$5 x \left(x - 2\right)$