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Learn how to find the solutions, x-intercepts, and vertex of a quadratic in vertex form Ex 7

👉 Learn how to identify the vertex of a parabola by completing the square. A parabola is the shape of the graph of a ...
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Finding roots by factorising

If a quadratic equation can be factorised, the factors can be used to find the roots of the equation. The equation factorises to give \((x + 3) (x - 2) = 0 \) so the solutions to the equation \(x^2 + ...