Really hard math question please helpp

k = the square root of 1-2p^2/5p
make p the subject
PLEASE SHOW ALL WORKING! thank you +10 pts

making p the subject merely means to put the equation in terms of p , if you took grade 9 math you would know how to isolate variables (Y)

k = √(1-2p²/5p) = √(1-2p/5)
k² = 1 - 2p/5
5k² = 5-2p
2p = 5(1-k²)
p = (5/2)(1-k²)