The standard form of a quadratic is y ax 2 bx c where a b and. A b and c are known. A x²bxa -c.
X2 2x 3 0 x 2 2 x - 3 0.
More Word Problems Using Quadratic Equations. But here is how to come up with the quadratic formula. Using the quadratic formula find the roots of the equation x2 7x 6 0 x 2 7 x 6 0. Ax² bx -c.