Move all the expressions to the left side of the equation.

Move to the left side of the equation by adding it to both sides.

Move to the left side of the equation by subtracting it from both sides.

Move to the left side of the equation by adding it to both sides.

Add and .

The discriminant of a quadratic is the expression inside the radical of the quadratic formula.

Substitute in the values of , , and .

Simplify each term.

Raise to the power of .

Multiply by .

Multiply by .

Subtract from .

Find the Discriminant 0=-x^2+4x-2