# How do you solve #x=3+sqrt( 9-x)#?

##### 2 Answers

Mar 5, 2016

#### Answer:

#### Explanation:

Squaring both sides:

Expanding square term:

Mar 5, 2016

#### Answer:

You must square both sides of the equation to get rid of the square root.

#### Explanation:

First, make sure the radical is isolated.

When solving radical equations, always make sure to check the solution(s) in the original equation. Often, **extraneous solutions** can arise. These are solutions that do not satisfy the equation.

Upon checking, you realize that

Hopefully this helps!