Answer:
2.136
full answer: 2.136086097
I think it's A
hope this helps
have a good day :)
Step-by-step explanation:
9
4x - 12 + 2x = 3x + 15
6x - 3x = 15 + 12
3x = 27
x = 9
(x2+1)
(x2+4)
