Question

Помогите плиз срочно

Answer 1

$\frac{18x - 3 {b}^{2} }{b} + 3b = \frac{3(x - {b}^{2}) }{b} + 3b = 3( \frac{x - {b}^{2} }{b} + b) = 3( \frac{x - {b}^{2} + {b}^{2} }{b} ) = \frac{3x}{b} = \frac{18}{3} = 6$

Ответ: 6