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Quadratic Equation in Standard Form: ax2 + bx + c = 0.Quadratic Equations can be factored.Quadratic Formula: x = −b ± √(b2 − 4ac) 2a.When the Discriminant (b2−4ac) is: positive, there are 2 real solutions. zero, there is one real solution. negative, there are 2 complex solutions.
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