SOLUTION: solve: x^3 - 5x^2 +9x -45 ___________ _______ X^2 +9 If you can show your work on how this problem was solved it will really help me to learn. Thanks

Algebra ->  Polynomials-and-rational-expressions -> SOLUTION: solve: x^3 - 5x^2 +9x -45 ___________ _______ X^2 +9 If you can show your work on how this problem was solved it will really help me to learn. Thanks      Log On


   

Question 886918: solve:
x^3 - 5x^2 +9x -45
___________________
X^2 +9
If you can show your work on how this problem was solved it will really help me to learn. Thanks
Answer by Theo(13342) About Me  (Show Source):
You can put this solution on YOUR website!
you can do this by long division or you can do it by factoring.

your solution will be (x-5).

long division is shown below:
$$$

factoring is shown below:

$$$

if you need lessons on how to do long division or how to factor, check these out.
http://www.purplemath.com/modules/factquad.htm
http://www.purplemath.com/modules/polydiv2.htm