PLEASE HELP!!!!!!!! WILL GIVE BRAINLIEST AND 30 PTS!!!!!!!!!!

Solve −3x2 + 30x − 90 = 0.
A- x equals 5 plus or minus 2i square root of 5
B- x equals 5 plus or minus i square root of 5
C- x equals 10 plus or minus 2i square root of 5
D- x equals 10 plus or minus i square root of 5