# How do you factor 5x^3 - 25x^2 + 2x - 10?

I would collect $x$ between the first and third term and $- 5$ between the second and fourth getting:
x(5x^2+2)-5((5x^2+2)=
$= \left(5 {x}^{2} + 2\right) \left(x - 5\right)$