tex]...

vlicenok @vlicenok

August 2022 1 2 Report

[tex] \frac{3}{x} + \frac{21}{ x^{2} -7x} - \frac{4-x}{x-7} [/tex]

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DariosI

Verified answer

$\frac{3(x-7)}{x(x-7)}+ \frac{21}{x(x-7)} - \frac{(4-x)x}{x(x-7)}= \frac{3x-21+21-4x+ x^{2} }{x(x-7)}= \frac{ x^{2} -x}{x(x-7)}= = \frac{x(x-1)}{x(x-7)}= \frac{x-1}{x-7}$

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