Question

Answer in the form (a+ib)
((3-2i)-i(4+5i))​

Answer 1

$(3 - 2i) - i(4 + 5i) \\ = (3 - 2i) -4i - 5 {i}^{2} \\ = 3 - 6i - (5 \times - 1) \\ = (3 + 5) - 6i \\ = 8 - 6i$