Answer:
a= 90
2a= 135
b=45
c= 45
I think x
Step-by-step explanation:
We start with

We can factor x at the numerator:

So, assuming
(otherwise the expression would make no sense) we can simplify it:

This equation has no roots, so we can't simplify it any further.
Dominio:
(−∞,∞),{x|x∈R}
Rango:
(−∞,∞),{y|y∈R}