# Formula for solving quadratic equations

The quadratic formula is: x = −b ± √b2 − 4ac 2a x = - b ± b 2 - 4 a c 2 a You can use this formula to solve quadratic equations. Or, if your equation factored, then you can use the quadratic formula to test if your solutions of the quadratic Explain mathematic
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Clarify math problem Only if it can be put in the form ax2 + bx + c = 0, and a is not zero. The name comes from quad meaning square, as the variable is squared (in other words x2 ). These are all quadratic

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a x 2 + b x + c = 0. Write the expression as a product of two or more factors. Taking the square root. x 2 = constant. Calculate the square root of both sides of the equation. Completing the  