1) Factorize 6ab+9bc= a) 3(ab+bc) b) 3a(2b+3c) c) 3(2ab+3bc) d) 3b(2a+3c) 2) Factorize x2-25= a) (x-5)(x+5) b) x(x-5) c) (x+5)(x-5) d) (x+5)(x+5) 3) Factor the following: x2+5x+4 a) (x-1)(x-4) b) (x+1)(x+4) c) (x-1)(x+4) d) (x+2)(x+2)

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