Question

Помогите плез, распишите всё

Answer 1

${x}^{3} - {9x}^{2} + x - 9 = 0 \ {x}^{2} (x - 9) + (x - 9) = 0 \( x - 9) times ( {x - 1)} = 0 \ x - 9 = 0 \ x = 9$

$frac{2 - x}{3} + frac{1 - x}{2} = 1 \ 2(2 - x) + 3(1 - x) = 6 \ 4 - 2x + 3 - 3x = 6 \ - 5x = - 1 \ x =0.2$