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2.) x³ + 3x² * 2 + 3x * 2² + 2³ - x(x² - 2x * 1 + 1²) <= 8x² + 4x + 1
x³ + 6x² + 12x + 8 - x³ + 2x² - x <= 8x² + 4x +1
6x² + 12x + 2x² - x - 8x² - 4x <= 1 - 8
7x <= -7 /: 7
x <= -1