pls somebody have to help me on the best way to simplify equations like these;

$\displaystyle x^3-1 , x^4-1 $

thanks

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- Apr 13th 2012, 01:43 AMlawochekelhigher power equation!
pls somebody have to help me on the best way to simplify equations like these;

$\displaystyle x^3-1 , x^4-1 $

thanks - Apr 13th 2012, 01:52 AMbiffboyRe: higher power equation!
They are expressions not equations.

x^3-1 = (x-1)(x^2+x+1)

x^4-1 = (x^2-1)(x^2+1) = (x-1)(x+1)(x^2+1) - Apr 13th 2012, 01:57 AMprincepsRe: higher power equation!