gnarbar984 gnarbar984 03-02-2018 Mathematics contestada Solve −3x2 + 30x − 90 = 0. x equals 5 plus or minus 2i square root of 5 x equals 5 plus or minus i square root of 5 x equals 10 plus or minus 2i square root of 5 x equals 10 plus or minus i square root of 5