subtract the complex expressions and simplify

Question

(-6.2+5.9i)-(2.4+9.1i)

Answer 1

Subtraction in complex numbers (a+bi)-(c+di) = (a-c)+(b-d)i

(-6.2+5.9i)-(2.4+9.1i)

Here a = -6.2, b = 5.9, c = 2.4, d = 9.1

= (-6.2-2.4)+(5.9-9.1)i

= -8.6-3.2i