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= = 2x2 2x2 (x+3) (2x+7) = = 4x2 4x2 (4x-7) (x+3) = = -5x2 -5x2 (-x+3) (5x+7) = = 9x2 9x2 (x-1) (9x+5) = = 6x2 6x2 (2x+4) (3x-1) = = -3x2 -3x2 (x+3) (-3x-2) = = 4x2 4x2 (2x-4) (2x+1) = = -14x2 -14x2 (-7x+1) (2x-2) = = 6x2 6x2 (3x-4) (2x+1) = = 9x2 9x2 (3x-2) (3x-2) |