Answer:
k=3
Step-by-step explanation:
Move k over to the 2k side and 2 to the five 5-2=3 and 2k-k=k
k+2=5
k=3
X-intercepts when f(x) = 0
so
x^2 + 2x - 24 = 0
factor
(x + 6)(x - 4) = 0
(x + 6) = 0; x = -6
(x - 4) = 0; x = 4
answer
-6 and 4
Answer: -17, -9, -4, 1, 2, 7