Question

(27-15a+5a^2-a^3)/(3a+ab-3b-a^2)

Answer 1

Ответ:

а ≈х

b ≈y

$\frac{27 - 15x + 5 {x}^{2} - {x}^{3} }{3x + xy - 3y - {x}^{2} } = \frac{(3 - x)( {x}^{2} - 2x + 9)}{(3 - x)(x - y)} = \frac{ {x}^{2} - 2x + 9 }{x - y}$