# Algebra Examples

,

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

For a polynomial of the form , rewrite the middle term as a sum of two terms whose product is and whose sum is .

Multiply by .

Rewrite as plus

Apply the distributive property.

Factor out the greatest common factor from each group.

Group the first two terms and the last two terms.

Factor out the greatest common factor (GCF) from each group.

Factor the polynomial by factoring out the greatest common factor, .

Set the factor equal to .

Add to both sides of the equation.

Divide each term by and simplify.

Divide each term in by .

Cancel the common factor of .

Cancel the common factor.

Divide by .

Set the factor equal to .

Subtract from both sides of the equation.

The solution is the result of and .

The interval does not contain . It is not part of the final solution.

is not on the interval

The interval contains .