Ответ:
a) 3x(x³ - 4x + 6) = 3x⁴ - 12x² + 18x
б) (2b + 3a)(3a - 2b) = (3a + 2b)(3a - 2b) = 9a² - 4b²
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Ответ:
a) 3x(x³ - 4x + 6) = 3x⁴ - 12x² + 18x
б) (2b + 3a)(3a - 2b) = (3a + 2b)(3a - 2b) = 9a² - 4b²