Verified answer

Ответ:

x = 3

Объяснение:

(6 - 2x)(36 + 12x + 4x²) = 72x - 8x³

6³ - (2x)³ = 72x - 8x³

216 - 8x³ = 72x - 8x³

72x = 216

x = 216 : 72

x = 3