2) (y - 2)(y² + 2y + 4) = y³ - 2³ = y³ - 8
4) (3x + 4)(9x² - 12x + 16) = (3x)³ + 4³ = 27x³ + 64
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2) (y - 2)(y² + 2y + 4) = y³ - 2³ = y³ - 8
4) (3x + 4)(9x² - 12x + 16) = (3x)³ + 4³ = 27x³ + 64