To remove the radical on the left side of the equation, square both sides of the equation.
Simplify each side of the equation.
Multiply the exponents in (y12)2.
Apply the power rule and multiply exponents, (am)n=amn.
Cancel the common factor of 2.
Cancel the common factor.
Rewrite the expression.
Raise 15 to the power of 2.
Solve for y square root of y=15