Solving Radical Equation

How to solving radical equation

- Isolate the radical expression
- Square both sides of the equation: If x = y then x² = y²
- Once the radical is removed, solve for the unknown
- Check all answers.

Example.

- 𝒙² – 3 =13

+3 +3

√𝒙² = √16

𝒙 = 4

𝒙 = 4

2. √𝒙+8 = 3

(√𝒙+8)² = 3²

𝒙 + 8 = 9

𝒙 = 1