Combine like terms: 1−i8i−2
Multiply by 8i+28i+2: (1−i)(8i+2)(8i−2)(8i+2)
Expand: −8i2+6i+264i2−4
Substitute i2=−1: 8+6i+2−64−4
Combine like terms: 10+6i−68
Simplify: −5−3i34
BuilderBoi, your answer is correct, however I'm pretty sure to express that answer as a complex number you would write it as
−534−334i