What is the value of - 4k+2 (5k-6) = - 3k - 39

-4k+2 (5k-6) = - 3k-39

-4k+10k-12=-3k-39

6k-12=-3k-39

+3k both sides

9k-12=-39

+12 both sides

9k=-27

:9 both sides

k=-3

check

-4 (-3) + 2 (5 (-3) - 6) = - 3 (-3) - 39

12+2 (-15+-6) = 9-39

12+2 (-21) = 9-39

12-42=-30

-30=-30

k=-3 holds true