Answer:
123x + 68
Step-by-step explanation:
Pull out like factors :
6 + 9x = 3 • (3x + 2)
(6x - 10) + 39 • (3x + 2)
Final result : 123x + 68
(6x - 10) + 78 + 117x
6x - 10 + 78 + 117x