1) Factorize  x2+5x+4 a) (x-1)(x-4) b) (x+1)(x+4) c) (x-1)(x+4) d) (x+2)(x+2) 2) Factorize fully 4x2 + 12x = a) 2x (2x + 6) b) 4(x2+3) c) 4x (x+3) d) 3x(x+4) 3) Factorize 9x2 - 64 a) (x - 8)(x+8) b) (3x-8)(3x-8) c) (3x - 4)(3x + 4) d) (3x-8)(3x+8) 4) Factorize  x2 + 1 a) (x+1)(x+1) b) (x-1)(x+1) c) x2 + 1 d) (x-1)(x-1) 5) Factoriza 2x2 - 18 a) (2x - 3)(2x + 3) b) (2x - 9)(2x + 9) c) 2(x2-9) d) 2(x-3)(x+3) 6) Factorize x2 -11x + 18 a) (x-2)(x+9) b) (x-2)(x-9) c) (x-3)(x-6) d) (x+2)(x+9)

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