x2 + 7x + 12, x2 - 3x - 10, 2x2 + x - 6, x2 - 8x + 7, 7x2 - 63, 3x2 +10x + 8, 9x2 - 4, 49x2 + 1 + 14x, Take a BREAK, 2x2 + 8, a2 + 8ab + 16b2, 3x2 + 6x + 4x + 8, -15 + 3y - 5y + y2, -2x2  - 5x + 3, 4x2 - 8x + 4, Take a Break, -9x2 + 18x - 8.

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