How do you factor the expression $5 x^{3} - x^{2} + 5 x - 1$ $5x^3 - x^2 + 5x - 1$ ?

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Answer 1 · 2016-02-21T20:31:09

$= (5 x - 1) (x^{2} + 1)$ $=(5x-1)(x^2+1)$

We can see that:

$5 x^{3} - x^{2} + 5 x - 1 = (5 x - 1) x^{2} + 5 x - 1$ $5x^3-x^2+5x-1=(5x-1)x^2+ 5x-1$

$= (5 x - 1) (x^{2} + 1)$ $=(5x-1)(x^2+1)$

How do you factor the expression 5x3−x2+5x−1 5x^3 - x^2 + 5x - 1?