Simplify -3x+ square root of 25x^2

$- 3 x + \sqrt{25 x^{2}}$

Step 1

Simplify each term.

Rewrite $25 x^{2}$ as ${(5 x)}^{2}$ .

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

Pull terms out from under the radical, assuming positive real numbers.

$- 3 x + 5 x$

Step 2

Add $- 3 x$ and $5 x$ .

$2 x$