Question

Can someone help me with the roots for x^3-6x^2+4x+15. I got 1 and 3

Answer 1

I already have the answer

Answer 2

(x2 + 1)(x-3)

Answer 3

the guy in the link stopped finally and I could finish it. Follow the link again
http://www.twiddla.com/553627

Answer 4

the procedure is there

Answer 5

so the only real root is 3. Coz this is the only place where the graph crosses the x-axis.

Answer 6

Take a look of the picture I attach. Makes everything clear.

Answer 7

hope I was helpfull here. See you around