حل المعادلات التربيعية بإكمال المربع - رياضيات ثالث متوسط الفصل الثالث

The lesson focuses on solving quadratic equations by completing the square. It explains the conditions for a trinomial to be a perfect square and demonstrates how to find the constant term needed for completion. Various examples are provided, including solving equations where the leading coefficient is not one and applying the method to real-life problems.