17*3 - 17*4i - 6i*3 + 6i*4i =
= 51 - 68*i - 18*i + 24*(i)^2 =
= 51 - 86*i + 24*i^2 (i^2 = -1) =
= 27 - 86*i
17*3 - 17*4i - 6i*3 + 6i*4i =
= 51 - 68*i - 18*i + 24*(i)^2 =
= 51 - 86*i + 24*i^2 (i^2 = -1) =
= 27 - 86*i