You can
put this solution on YOUR website!Solve for x:

First subtract 2x from both sides of the equation.

Solve this quadratic equation using the quadratic formula:

In this problem, a = 3, b = -2, and c = 1. Make the appropriate substitutions;

or

Perhaps you misunderstood your professor. Negative square roots occur a lot in math. If I were you, I would ask him/her to clarify the statement.