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Certainly! Here are the modified questions with the answers enclosed in the appropriate tags: a. Factorise (a^2 + 4a) b. Factorise (3x + 4x^2) c. Factorise (4x^2 – x) d. Factorise (7x – 3x^2) e. Factorise (2x^2 + 4x) f. Factorise (6x – 3x^2) g. Factorise (12x + 16x^3) h. Factorise (25x^2 – 15x^3) i. … Read more