Answer:
k = 1/3 k = -8/10
Step-by-step explanation:
(1 - 3k)(-8 -10k)
-8 -10k + 24k + 30k^2
30k^2 - 10k + 24k - 8
10k(3k - 1) 8(3k - 1)
(3k - 1)(10k + 8)
3k - 1 = 0
3k = 1
k = 1/3
10k + 8 = 0
10k = - 8
k = -8/10
