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Math
Quadratic Formula
Solve ax² + bx + c = 0 — real and complex roots.
Quadratic Formula
Solve ax² + bx + c = 0
How to Use the Quadratic Formula
Enter the coefficients a, b, and c to solve for the roots of the quadratic equation.
The Quadratic Formula
The quadratic formula is used in algebra to solve quadratic equations (polynomial equations of the second degree). The formula yields two solutions, which can be real or complex numbers.
The Formula
x = [-b ± √(b² - 4ac)] / 2a
Frequently Asked Questions (FAQ)
What does the discriminant do?
The value under the square root (b² - 4ac) determines if the roots are real or imaginary.