How do you factor #x^2+ 4x + 3#?
1 Answer
Apr 17, 2016
(x + 1)(x + 3)
Explanation:
Since a - b + c = 0, use shortcut:
The 2 real roots are: -1 and -c/a = -3.
The 2 factor are: (x + 1) and (x + 3)
y = (x + 1)(x + 3)
