J jbreu New member Joined Jan 28, 2011 Messages 6 Jan 29, 2011 #1 3x + 12 |----------------- x - 4| 3x^2 3x^2 - 12x ------------------ 12x 12x - 48 ------------- 48 Don't understand how to divide x-4 into 3x^2
3x + 12 |----------------- x - 4| 3x^2 3x^2 - 12x ------------------ 12x 12x - 48 ------------- 48 Don't understand how to divide x-4 into 3x^2
D Deleted member 4993 Guest Jan 29, 2011 #2 jbreu said: Code: 3x + 12 |----------------- x - 4| 3x^2 3x^2 - 12x ------------------ 12x 12x - 48 ------------- 48 Don't understand how to divide x-4 into 3x^2 Click to expand... \(\displaystyle \frac{3x^2}{x-4} \ = \ \frac{3x^2-12x + 12x - 48 + 48}{x-4} \ = \ 3x \ + \ 12 \ + \ \frac{48}{x-4}\) You have shown the correct work. I am not sure where you are stuck. If you don't feel comfortable with polynomial division - you probably are not ready for this class.
jbreu said: Code: 3x + 12 |----------------- x - 4| 3x^2 3x^2 - 12x ------------------ 12x 12x - 48 ------------- 48 Don't understand how to divide x-4 into 3x^2 Click to expand... \(\displaystyle \frac{3x^2}{x-4} \ = \ \frac{3x^2-12x + 12x - 48 + 48}{x-4} \ = \ 3x \ + \ 12 \ + \ \frac{48}{x-4}\) You have shown the correct work. I am not sure where you are stuck. If you don't feel comfortable with polynomial division - you probably are not ready for this class.
