Solve x2 – 3x – 4 = 0.
Choose the most appropriate option:
A) 1,4	B) -1,4	C) 2,3	D) 2,-3	E) 3,4
This one factors easily:   x2 – 3x – 4 = 0   (x + 1)(x – 4) = 0   x + 1 = 0 or x – 4 = 0   x = –1 or x = 4   The solution is x = –1, 4   ANSWER -1,4 -1,4
<result>B</result>
Solve x2 – 3x – 4 = 0.