Question

Factor: x^2 - 2x + 1
A. (x + 1)^2
B. (x – 1)
C. (x – 1)^2
D. (x + 1)(x + 1)

Answer 1

use decomposition method
\[x^2-2x-1\]
find two numbers that multiply to 1 #x# =-1
and add to two #+#=-2

Answer 2

http://www.statisticslectures.com/images/trinomial11.gif

Answer 3

C.

Answer 4

Is that correct @Bukloon?

Answer 5

correct :), your getting smarter!

Answer 6

Than you guys.