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Module · Math · Scientific
Quadratic Formula
Solve any equation ax² + bx + c = 0. Handles real and complex roots and displays the discriminant so you know which case you're in.
ax² + bx + c = 0
Discriminant (b² − 4ac)
1
Two real roots
x₁
3
x₂
2
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Guide
How Quadratic Formula works
Step 01
Enter coefficients
a, b, c from ax² + bx + c = 0.
Step 02
See discriminant
b² − 4ac tells you which case you're in.
Step 03
Get both roots
Real or complex — displayed as a ± bi.
FAQ
Frequently asked
Formula?+
x = (−b ± √(b² − 4ac)) / 2a. This tool applies it for you.
What if a = 0?+
It's no longer quadratic — it's a linear equation bx + c = 0. Tool warns you.