Answers

The Brainliest Answer!
2016-07-09T21:30:51+08:00
A.
4x^2 - 20x - 11 = 0
(4x^2 - 22x) (2x - 11) = 0
2x(2x - 11) 1(2x - 11) = 0
(2x + 1)(2x - 11)

b.
x^2 + 7x + 12 = 0
(x + 4)(x + 3) = 0
2 5 2