Question

What are the real zeros for f(x)=x^3-3x^2+8

Answer 1

Do you still need help?

Answer 2

yes please

Answer 3

Well, there is only one zero here which is x=-1.3553

Answer 4

You can get this if you take the derivative of the equation.

Answer 5

*one real zero.

Answer 6

Can you draw or show how you solved it please I'm not sure as to how you take the derivative of the equation?

Answer 7

I don't want to write out all the steps.

Answer 8

But, I can paste an image of a computer solution. If you want.

Answer 9

Ok that'll be good thanks!

Answer 10

It will show all the steps.

Answer 11

Okay thanks!

Answer 12

That should help!

Answer 13

BTW, if you want to solve something like this in the future, you may want to look into the Durand-Kerner Method. Very few students know about this.