PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

Answer:
The principal square root is 5i sqrt(3)
Step-by-step explanation:
sqrt(-75)
sqrt(-1) sqrt(75)
sqrt(-1) =± i
±i sqrt(75)
±i sqrt(25)sqrt(3)
±i 5sqrt(3)
±5i sqrt(3)
The principal square root is 5i sqrt(3)