Solve for a square root of a=4

Math
a=4
To remove the radical on the left side of the equation, square both sides of the equation.
a2=42
Simplify each side of the equation.
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Multiply the exponents in (a12)2.
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Apply the power rule and multiply exponents, (am)n=amn.
a12⋅2=42
Cancel the common factor of 2.
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Cancel the common factor.
a12⋅2=42
Rewrite the expression.
a1=42
a1=42
a1=42
Simplify.
a=42
Raise 4 to the power of 2.
a=16
a=16
Solve for a square root of a=4

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