Question

(6+2i)-(5+3i)
(6+2i)*(5+3i)

Answer 1

1) 6 + 2i - 5 - 3i = 1 - i

2) 6*5 + 5*2i + 6*3i + 2*3i² = 30 + 10i + 18i - 6 = 24 + 28i