𝑉3𝑛2=𝑃4.πΆπ‘›π‘›βˆ’2βˆ’5.𝑃3

find n

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 ?