quadratic equation

Описание: How to Derive the Quadratic Formula | Step-by-Step Proof Explained!

In this video, we walk you through the step-by-step **proof of the quadratic formula using completing the square. Whether you're preparing for exams or just want to understand where the formula comes from, this lesson breaks it down in a clear and easy-to-follow way.

📌 What you’ll learn:

What the quadratic formula is
How to derive it from the standard form: ax² + bx + c = 0
Why completing the square works
Tips to remember the steps easily!

✅ Perfect for:

High school & GCSE students
WAEC/NECO candidates
Anyone who wants to understand math, not just memorize it

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Would you like a version in simpler English or for a specific exam audience (e.g., WAEC, JAMB, etc.)?