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Solving Radical Equations

Solving Radical Equations 1.5 - Solution

arrow_back Return to Solving Radical Equations
a
We square both sides to solve for
Now we test the solution by substituting for in the original equation.
The equality holds, so is a solution of the equation.
b
We start by solving for
We came to the result But since we squared the equation, we need to test it in the original equation to make sure that it is not an extraneous solution.

The equality holds, so is a solution to the equation.