1) The factorisation of 6x – 42 is a) 6(x – 7) b) 3(x – 7) c) 2(x – 7) d) 6(x + 7) 2) The common factor 12y and 30 is a) 6 b) 12 c) 30 d) 6y 3) The common factor of 10ab, 30bc, 50ca is a) 10 b) 30 c) 50 4) The factorisation of 12a2b + 15ab2 is a) 3ab (4a + 5b) b) 3a2b (4a + 5b) c) 3ab2 (4a + 5b) d) 3a2b2 (4a + 5b). 5) The factorisation of 10x2 – 18x3 + 14x4 is a) 2x2 (7x2 – 9x + 5) b) 2x (7x2 – 9x + 5) c) 2 (7x2 – 9x + 5) d) 6 (7x2 – 9x + 5).

Factorization exercise F2

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