1) Factorise fully 18x² - 24x a) 2(9x² - 12x) b) 2x(9x - 12) c) 6x(3x - 4) d) 3x(6x - 8) 2) Factorise x² + 7x + 10 a) x(x + 7) + 10 b) (x +7)(x + 10) c) (x + 5)(x + 2) d) (x + 3)(x + 4) 3) Solve x(x + 4) = 0 a) x = -4 b) x = 0 and x = 4 c) x = 0 and x = -4 4) Solve (x + 3)(x - 5) = 0 a) x² - 2x - 15 b) x = 3 and x = -5 c) x = -3 and x = 5 d) x = -2 5) Solve by factorising x² + 6x + 8 = 0 a) x = 4 and x = 2 b) x = -4 and x = -2 c) (x + 4)(x + 2) d) (x - 4)(x - 2) 6) Solve x² - 5x = -6 a) x = 3 and x = 2 b) x = -3 and x = -2 c) x² - 5x + 6 d) (x + 3)(x + 2) = 0 e) (x - 3)(x - 2) = 0

Quadratics

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