Question

Simplify.
3 √ b^2
-.2√x^2

Answer 1

Answer:

$1.3 \sqrt{b {}^{2} }$

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

$3b$

$2. - 2 \sqrt{x {}^{2} }$

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

$- 2x$