Решение1) (x² - 7x + 12)/(x - 3) = 0x² - 7x + 12 = 0, x₁ = 3 ; x₂ = 4x - 3 ≠ 0, x ≠ 3Ответ: х = 42) (x³ - 64x) / ( x + 4) = 0x³ - 64x = 0x + 4 ≠ 0, x ≠ - 4x³ - 64x = 0x(x² - 64) = 0x₁ = 0x² - 64 = 0x² = √64x₂ = - 8x₃ = 8Ответ: x₁ = 0 ; x₂ = - 8 ; x₃ = 8