This task is about factorising algebraic expressions. Factorise each of the following algebraic expressions: a) 4x - 8 = ____________________ b) 6x2- 2x = ____________________ c) x2 + 5x + 6 = ____________________ d) x2 - 16 = ____________________ e) 3x2 - 3x - 18 = ____________________
