1) x²-4x+6 a) (x-2)²-6 b) (x-5/2)-21/4 c) (x-2)²+2 d) (x+7/2)²-33/4 2) x²+6x-8 a) (x+7/2)²-33/4 b) (x+4)²-10 c) (x+2)²-7 d) (x+3)²-17 3) x²-8x-6 a) (x-4)²-22 b) (x-4)²-18 c) (x-3)²-8 d) (x+3)²-19 4) x²+2x+5 a) (x+7/2)²-29/4 b) (x+1)²+4 c) (x+3)²-13 d) (x+5/2)²-121/4 5) x²-6x+4 a) (x-3)²-5 b) (x+5/2)²-37/4 c) (x+5/2)²-121/4 d) (x-2)²+2 6) x²+3x-1 a) (x-3)²-8 b) (x+4)²-13 c) (x+3/2)²-13/4 d) (x-4)²-22 7) x²-2x-2 a) (2x-3)²-10 b) (x-5/2)²-29/4 c) (x-1)²-3 d) (x+3/2)²-13/4 8) x²-5x-1 a) (x+3/2)²-29/4 b) (x-5/2)²-29/4 c) (x-4)²-18 d) (x+5/2)²-121/4 9) x²+7x+4 a) (x+7/2)²-33/4 b) (x+3)²-19 c) (x-2)²+2 d) (x+3/2)²-29/4 10) x²-x-12 a) (x-1/2)²-49/4 b) (x-2)²+2 c) (x+2)²-7 d) (x-5)²-19

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