𝑉3𝑛2=𝑃4.𝐶𝑛𝑛−2−5.𝑃3

Question

find n

Answer 1

No idea what all that means.
Just type normally on a standard keyboard.
e.g.
powers are written this way:
𝑃3 : is that P cubed? If so, we say P^3
What is the nn in Cnn ?