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How to Solve Quadratic Equations
Formula
A quadratic equation has the form ax²+bx+c=0. The quadratic formula gives both solutions.
The discriminant b²-4ac tells you the nature: two real roots, one repeated root, or complex roots.
Common use cases:
- Engineering trajectory calculations
- Economics break-even analysis
- Completing the square in algebra
Frequently Asked Questions
Dr. David Park
Applied Mathematician, PhD Mathematics
David holds a PhD in Applied Mathematics from MIT. He has published research on numerical methods and computational algorithms used in engineering and scientific calculators.
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