Author Topic: annoying ass algebra problem (Read 1744 times) Tweet Share

/0 · « **on:** November 09, 2011, 04:31:25 pm »

Problem:

Simplify: $\frac{2x^3-x^2-x^2\sqrt{1-3x}}{(1+\sqrt{1-3x})^3}$

What's the easiest way to git rid of that denominator?

I knew what the answer would be so I got it by reverse-engineering, but what if you didn't know?

mark_alec · « **Reply #1 on:** November 09, 2011, 06:02:07 pm »

Multiply top and bottom by $(1-\sqrt{1-3x})^3$ ?

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Author Topic: annoying ass algebra problem (Read 1744 times) Tweet Share

/0

annoying ass algebra problem

mark_alec

Re: annoying ass algebra problem

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