Posted by **Sarah** on Saturday, August 23, 2008 at 10:34am.

I'm trying to finish up my summer math packet, and I'm almost done, but I'm having trouble figuring out this one:

"Divide and simplify these expressions."

(3x^4 - 2x^3 + 16x - 192)

/

(x^2 - 8)

so, that's 3x to the 4th, minus 2x cubed, plus 16x, minus 192 ---> all divided by x squared, minus 8

I'm checking w/ my textbook and other algebra sites to brush up on the principles, but I'm still having trouble with this one, so I'd appreciate any thoughts -thanks

- Math (Algebra II) -
**Reiny**, Saturday, August 23, 2008 at 10:46am
you are doing "long algebraic division"

make sure you left a space for the missing x^2 term or insert 0x^2 in its place

I got it to divide exactly, and my answer is

3x^2 - 2x + 24

It is hard to show the algorith in this forum, but here is a nice webpage to show you how to do it

http://www.sosmath.com/algebra/factor/fac01/fac01.html

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