Question

Решите Уравнение
10+(3-х)^3=х^2(9-х)-17

Answer 1

$10 + {(3 - x)}^{3} = {x}^{2} \times (9 - x) - 17 \\ 10 + 27 - 27x + 9 {x}^{2} - {x}^{3} = 9 {x}^{2} - {x}^{3} - 17 \\ 10 + 27 - 27x = - 17 \\ 37 - 27x = - 17 \\ - 27x = - 17 - 37 \\ - 27x = - 54 \\ x = 2$