Solutions · Grade 10 · 26 pages · PDF
Expanding BracketsSolutions
Every worksheet question worked in full.
A complete 20-page IGCSE guide to expanding brackets. It starts with single brackets, including negative and algebraic multipliers. It then covers double brackets using FOIL and the grid method, and moves on to the special cases of perfect squares and the difference of two squares. Later sections cover expanding three brackets and simplifying longer expressions. These skills are then applied to area problems, “show that” proofs and forming quadratic equations. Every method comes with fully worked examples and common mistakes to avoid. It ends with a summary, an error checklist and exam tips.
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The full notes: one idea per page, a worked example beside every rule.
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