Solutions · Grade 10-11 · 26 pages · PDF
FactorisationSolutions
Every worksheet question worked in full.
A complete 23-page IGCSE guide to factorisation. It covers taking out common factors, factorising by grouping, and factorising quadratics of the form x² + bx + c and ax² + bx + c. It also covers the difference of two squares and perfect square trinomials. Later sections use factorisation to solve quadratic equations and include a decision flowchart for choosing the right method. Every method comes with fully worked examples, sign rules and an expand-to-check step. It ends with a summary, common mistakes to avoid and exam tips.
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The full notes: one idea per page, a worked example beside every rule.
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The whole topic on a page or two, for the night before.
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Practice questions in the order the notes teach them.
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