Factor x2 + 6x + 9=
Factor the following: x^2+6 x+9
The factors of 9 that sum to 6 are 3 and 3. So, x^2+6 x+9 = (x+3) (x+3): (x+3) (x+3)
(x+3) (x+3) = (x+3)^2: Answer: | (x+3)^2
