How to solve
The formula solves any quadratic. Compute the discriminant first; a perfect square means rational roots.
Steps
- Identify a, b, c.
- Compute the discriminant D = b² − 4ac.
- x = (−b ± √D) / (2a); simplify each root.
Example
Solve 2x² − 7x + 3 = 0.
- D = 49 − 24 = 25.
- x = (7 ± 5)/4 → x = 3 or x = 1/2.
Answer: 1/2, 3
How to type answers
- Enter as a, b with a ≤ b
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