Quadratic Formula Calculator
The quadratic formula uses the discriminant b²−4ac and divides −b ± its square root by 2a.
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How it works
The quadratic formula uses the discriminant b²−4ac and divides −b ± its square root by 2a.
Worked example
x²−3x+2=0 has roots 1 and 2.
Keep in mind
A negative discriminant produces non-real roots.