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How do you simplify $\frac{x^{3} - 1}{x - 1}$ $(x^3 - 1)/(x-1)$ ?

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Konstantinos Michailidis

Sep 25, 2015

It is $\frac{x^{3} - 1}{x - 1} = \frac{(x - 1) \cdot (x^{2} + x + 1)}{x - 1} = x^{2} + x + 1$ $(x^3 - 1)/(x-1)=((x-1)*(x^2+x+1))/(x-1)=x^2+x+1$

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