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mathematics quadratic formula. In elementary algebra the quadratic formula is a formula that provides the solution s to a quadratic equation. Solving quadratic equations by factoring This is the most popular way to solve quadratic equations.
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It will show you how the quadratic formula that is widely used was developed. An algebraic equation or polynomial equation with degree 2 is said to be a quadratic equation. First divide both sides of the equation by ato get.
2x 0x 0andx - 4.
Because it is a second-order polynomial equation the fundamental theorem of algebra guarantees that it has two solutions. When b 2 4 a c 0 there is one real root. Calculator determines whether the discriminant b 2 4 a c is less than greater than or equal to 0. These solutions may be both real or both complex.
