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x² + 4x + 4 - (x² -4x + 4) < x² -6x + 9 - (x² + 3x + 2x + 6)
x² + 4x + 4 - x² + 4x - 4 < x² -6x + 9 - x² - 3x - 2x - 6
8x < -11x + 3
8x + 11x < 3
19x < 3
x < 3/19