Simplify .

Apply the distributive property.

Multiply by by adding the exponents.

Move .

Multiply by .

Multiply by .

Subtract from both sides of the equation.

Use the quadratic formula to find the solutions.

Substitute the values , , and into the quadratic formula and solve for .

Simplify the numerator.

Raise to the power of .

Multiply by .

Multiply by .

Add and .

Rewrite as .

Factor out of .

Rewrite as .

Pull terms out from under the radical.

Multiply by .

Simplify .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Solve Using the Quadratic Formula 4k(k+2)=2