Friday

January 30, 2015

January 30, 2015

Posted by **Jimmy-can someone please help** on Saturday, December 22, 2012 at 10:54pm.

f(x)=x^3-10x^2+42x-72

please show work.

- calculus -
**Steve**, Sunday, December 23, 2012 at 5:37amall rational roots will be factors of 72. Trying a few values, we get 4 as a root.

f(x) = (x-4)(x^2-6x+18)

use the quadratic formula for the complex roots.

**Answer this Question**

**Related Questions**

calculus--please help!! - find the complete zeros of the polynomial function. ...

calculus - Find the complex zeros of the polynomial function. Write f in ...

pre-calculus - find the complex zeros of the polynomial function. write F in the...

algebra - Find the complex zeros of the polynomial function. Write f in factored...

college algebra - find the complex zeros of the polynomial function. write f in ...

college algebra - find the complex zeros of the polynomial function. write f in ...

Find the complex zeros - Find the complex zeros of the polynomial function. ...

calculus - can someone please help me find all the zeros of the following ...

college algebra - find the complete zeros of the polynomial function. write f in...

math - Find the complex zeros of the polynomial function, and write f in ...