# Need instructions on how to factorise (not factor!) an expression on TI nspire CX

I have the equation x-(x^4)/8=0.

I know this has solutions at x = 0 or x =2. This is the answer I want my calculator to tell me.

Currently if I use factor(x-(x^4)/8=0) I get an incorrect answer (well it isn't x=0 or x=2).

\$20 for correct instructions on how to get this output.

( 21 reviews ) Brisbane, Australia

Project ID: #24117956

## Awarded to:

DaniloRobert

SOLVED Hi, I solved it in my logbook, talk to me and I will show you the solution Regards, Danilo R.

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## 13 freelancers are bidding on average \$20 for this job

greesol

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vincentli007

x-x^4/8=0 =>x(1-x^3/8)=0 => x = 0, x^3/8 -1 = 0 => x = 0, x=2 Do you need to algorithm/programming? if so, algorithm is different. should consider the roots for the blow equitation: i can give a detailed program in More

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Hey there!! Actually the equation above have four different solutions,and two of them are 0 and 2.I can teach you the method to get the other two solutions which will help you to solve all the equations of degree 4 or More

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As31121988

I completed Msc in science. I hope I will can to complete your prospect. So I can get this reword.f(x)=x-x^4/8=0 f(0)=0-0/8=0 f(2)=2-8/8=0 That is solved

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Bruno1709

x^4-x/8=0 •factorize the expression x(x^3-1)/8=0 •multiply the two sides by 1/8 to eliminate the denominator 8 x(x^3-1)/8.1/8=0.1/8 •we get: x(x^3-1)=0 •divide the possible cases x=0 or x^3-1=0 •solving the equation x^ More

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vishamber119

Thanks

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