x2+9x+14 - (x+2)(x+7), x2-2x-15 - (x-5)(x+3), x2+4x-45 - (x-5)(x+9), x2-9x+18 - (x-3)(x-6), 4x2+7x-2 - (4x-1)(x+2), 6x2-19x+15 - (3x-5)(2x-3), 24x2+47x+20 - (8x+5)(3x+4), x2-9 - (x+3)(x-3), 4x2-25 - (2x+5)(2x-5), 2x2-50 - 2(x+5)(x-5),

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