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 (x12)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 2.8 to the power of 2.
Solve using the Square Root Property square root of x=2.8