Пожалуйста. Сократите дроби: а) 3с - 9x / 6x - 2c. б) -14b^2a^4 / 21a^3b^5. в) 7x - 14y / 6y - 3x. Created by assassin12368. algebra-ru

6y - 3x...

assassin12368 @assassin12368

June 2022 1 16 Report

Пожалуйста. Сократите дроби: а) 3с - 9x / 6x - 2c. б) -14b^2a^4 / 21a^3b^5. в) 7x - 14y / 6y - 3x

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inblu

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$\frac{3c-9x}{6x-2c}= \frac{3(c-3x)}{2(3x-c)}=- \frac{3(3x-c)}{2(3x-c)}=- \frac{3}{2} \\ \frac{-14b^2a^4}{21a^3b^5}= -\frac{2*7b^2a^3*a}{3*7a^3b^2*b^3} =- \frac{2a}{3b^3} \\ \frac{7x-14y}{6y-3x}= \frac{7(x-2y)}{-3(x-2y)}=- \frac{7}{3}$

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