Solve for free all your math problems in one place. Solve an equation of the form a x 2 b x c 0 by using the quadratic formula. If you need math calculators that show steps have you covered.
Simplify expression under the square root.
Solve a quadratic equation by completing the square. If you can solve this equation you will have the solution to all quadratic equations. B b 2 4 a c. When b2 - 4ac 0 there are two real roots.