explain how this code works

Question

https://code.sololearn.com/cdmCp02NM9og/?ref=app

Answer 1

x*=9+x ====> x=x*(9+x)
as x is 10 we get new x =190 which gets stored through pointer used.
Now your output is the value of pointer which is 190

Answer 2

this to

https://youtu.be/KHQewSr6c2o