Question

Solve –5√ x = –15 Please help!

Answer 1

x = 9

Explanation:

`Domain:\ x\geq0\\\\-5√(x)=-15\qquad\text{divide both sides by (-5)}\\\\√(x)=3\qquad\text{square both sides}\\\\(√(x))^2=3^2\qquad\text{use}\ (√(a))^2=a\\\\x=9`

Answer 2

x=9

Explanation:

First divide both sides by -5. Once you do this you should have a result of √x=3. from here, square both sides. This will give you an answer of 9