which expression is equivalent to the following complex fraction 3/x-1 - 4 divided by 2 - 2/x-1

A) 2(x - 2)/-4x+7

B) -4x+7/2(x-2)

C) -4x+7/2(x^2-2)

D) 2(x^2-2)/-4x+7

Question

09-12-2017
Mathematics

contestada

which expression is equivalent to the following complex fraction 3/x-1 - 4 divided by 2 - 2/x-1

A) 2(x - 2)/-4x+7

B) -4x+7/2(x-2)

C) -4x+7/2(x^2-2)

D) 2(x^2-2)/-4x+7

Respuesta :

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jdoe0001 jdoe0001 · Answer 1 · 2017-12-09T23:00:47+01:00

[tex]\bf \cfrac{\quad \frac{3}{x-1}-4\quad }{2-\frac{2}{x-1}}\implies \cfrac{\quad \frac{3-4(x-1)}{x-1}\quad }{\frac{2(x-1)-2}{x-1}}\implies \cfrac{\quad \frac{3-4x+4}{x-1}\quad }{\frac{2x-2-2}{x-1}}\implies \cfrac{\quad \frac{7-4x}{x-1}\quad }{\frac{2x-4}{x-1}} \\\\\\ \cfrac{7-4x}{\underline{x-1}}\cdot \cfrac{\underline{x-1}}{2x-4}\implies \cfrac{7-4x}{2x-4}\implies \cfrac{-4x+7}{2(x-2)}[/tex]

sheed0nsumbrazzy sheed0nsumbrazzy · Answer 2 · 2020-11-17T17:43:58+01:00

sheed0nsumbrazzy sheed0nsumbrazzy

17-11-2020

Answer: ITS B (-4x+7/2(x-2))

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which expression is equivalent to the following complex fraction 3/x-1 - 4 divided by 2 - 2/x-1A) 2(x - 2)/-4x+7B) -4x+7/2(x-2)C) -4x+7/2(x^2-2)D) 2(x^2-2)/-4x+7

Respuesta :

Otras preguntas

which expression is equivalent to the following complex fraction 3/x-1 - 4 divided by 2 - 2/x-1

A) 2(x - 2)/-4x+7

B) -4x+7/2(x-2)

C) -4x+7/2(x^2-2)

D) 2(x^2-2)/-4x+7