(27-15a+5a^2-a^3)/(3a+ab-3b-a^2). Created by valerakkoz2. algebra-ru

(3a+ab-3b-a^2)...

valerakkoz2 @valerakkoz2

July 2022 1 2 Report

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

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sstavridka

Ответ:

а ≈х

b ≈y

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

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