dummy0257 dummy0257

24-11-2018
Mathematics

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x÷x+4=3÷x-1
[tex] \frac{x}{x + 4} = \frac{3}{x - 1} [/tex]

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nap14hockey nap14hockey

24-11-2018

[tex]\frac{x}{x + 4}=\frac{3}{x - 1} \\3(x+4) = x(x-1)\\3x+12 =x^2-x\\0=x^2-4x-12\\0=(x-6)(x+2)\\X= 6, -2[/tex]

Steps:

First we cross multiply

Then Distribute,

Then move all terms to one side

Factor

Set each factor equal to zero

Answer Link

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