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Completing the square in three examples

👉 Learn how to complete the square to solve a quadratic equation. Completing the square allows us to create a binomial ...
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Solving by completing the square - Higher

Some quadratics cannot be factorised. An alternative method to solve a quadratic equation is to complete the square. To solve an equation of the form \(x^2 + bx + c = 0\) consider the expression ...