Can you explain how to do this?

Quadratic equations and inequalities, variation equations, function notation, systems of equations, etc.
shadmitch
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Can you explain how to do this?

Postby shadmitch » Sat Sep 22, 2012 1:54 pm

I have had so much trouble with this rational equation. I need to solve it. The answer is 6.

x/(x-2) - 1/(x+2) = 1

Thanks very much!

Matt
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Re: Can you explain how to do this?

Postby Matt » Sun Sep 23, 2012 1:36 am

Multiply each term by (x-2)(x+2).
Cancel factors which the numerator and denominator have in common:







The rest is history:






shadmitch
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Joined: Sat Sep 22, 2012 1:50 pm
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Re: Can you explain how to do this?

Postby shadmitch » Wed Sep 26, 2012 1:57 am

Thank you very much!


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