# stuck on this simple question.

• April 15th 2008, 03:38 AM
helpishere
stuck on this simple question.
solve the equation x(cubed) -7x(squared)+10x=0
• April 15th 2008, 03:48 AM
Isomorphism
$x^3 - 7x^2 + 10x = 0$

$x(x^2 - 7x + 10) = 0$

$x(x^2 - 5x - 2x + 10) = 0$

$x(x(x - 5) - 2(x - 5)) = 0$

$x (x - 5) (x - 2) = 0$

So x = 0,2,5

Dont trust my answer, substitute it back and check (Wink)