Answer:
I think is c
Step-by-step explanation:
your dp is very beautiful
please follow me
x=2
ab=7
bc=5
because you do
2x+3 = 4x+3
-3 -3
2x=4x
-2x -2x
x = 2
2x2+3
4+3
=7
4x2-3
8-3
=5