Question

Select the correct answer. Solve for x. x2 - 2x - 24 = 0

A.
-4, -6
B.
-4, 6
C.
2, -6
D.
4, 6

Answer 1

B. -4, 6

x2-2x-24=0

1st you must factor
x2+4x-6x-24=0

next factor by grouping and find gcf
x(x+4)-6(x+4)=0

you now have your factors so set then to 0 and solve for x

x+4=0
-4 -4
x=-4

x-6=0
+6 +6
x=6

Answer 2

B. -4, 6

Explanation: