Combine and .

Combine and .

Apply the distributive property.

Simplify.

Cancel the common factor of .

Factor out of .

Cancel the common factor.

Rewrite the expression.

Cancel the common factor of .

Cancel the common factor.

Rewrite the expression.

Multiply by .

Use the quadratic formula to find the solutions.

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

Simplify the numerator.

One to any power is one.

Multiply by .

Multiply by .

Add and .

Multiply by .

The result can be shown in multiple forms.

Exact Form:

Decimal Form:

Solve Using the Quadratic Formula 1/3x^2+1/21x-1=0