Math Is Fun Forum
Discussion about math, puzzles, games and fun. Useful symbols: ÷ × ½ √ ∞ ≠ ≤ ≥ ≈ ⇒ ± ∈ Δ θ ∴ ∑ ∫ π -¹ ² ³ °
You are not logged in.
- Topics: Active | Unanswered
Pages: 1
#1 2006-12-28 11:16:49
- Neha
- Member
- Registered: 2006-10-11
- Posts: 173
Help with dividing!
divide x^3 + 2x - 1 by x + 3
Live Love Life
Offline
#2 2006-12-28 11:39:08
- mathsyperson
- Moderator
- Registered: 2005-06-22
- Posts: 4,900
Re: Help with dividing!
(x³ + 2x - 1)/(x+3)
(x³ + 3x² - 3x² + 2x - 1)/(x+3)
x² + (-3x² + 2x - 1)/(x+3)
x² + (-3x² - 9x + 11x - 1)/(x+3)
x² - 3x + (11x - 1)/(x+3)
x² - 3x + (11x + 33 - 34)/(x+3)
x² - 3x + 11 - 34/(x+3)
Why did the vector cross the road?
It wanted to be normal.
Offline
Pages: 1