Solutions · Grade 10-11 · 28 pages · PDF
Quadratic ExpressionsSolutions
Every worksheet question worked in full.
A complete 22-page IGCSE guide to quadratic expressions. It covers expanding double brackets using the grid and FOIL methods, including brackets with coefficients. It then teaches factorising quadratics where a = 1 (with a sign guide) and where a ≠ 1 (by splitting the middle term), followed by the difference of two squares and perfect square trinomials. Later sections cover expanding three brackets, expressions with two variables, factorising by grouping, and a step-by-step strategy for “factorise completely” questions. Every method comes with worked examples and common mistakes to avoid. It ends with a summary, a factorising checklist and exam tips.
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