How do you divide (x^3-7x-6) / (x+1) x3−7x−6x+1 using polynomial long division?

2 Answers
The Dude
Nov 15, 2015

You could use synthetic division or polynomial long division.

Explanation:

The formatting is hard for me to write on this. However, Khan academy has an excellent and short video on how you could do a problem like this using synthetic division, which is a much easier and more efficient way of doing these kinds of problems. Synthetic Division Tutorial

Veddesh phiϕ
Apr 7, 2016

x-8+2/(x+1)x−8+2x+1

Explanation:

color(white)((x)/color(black)(x+1))(x-8color(white)(-7))/(")"x^2-7x-6)xx+1x−8−7)x2−7x−6
color(white)(5)(-(x^2-x))/(color(white)(17886770)color(white)()-8x-6)5−(x2−x)17886770−8x−6
color(white)(-1xx1)(-(-8x-8))/(color(white)(-xxxxxx)2)−1×1−(−8x−8)−×××2

If you couldn't understand anything

Watch this video about polynomial long division

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