Question

how do I solve (7-6i)(-8+3i)?

Answer 1

i = {2.666666667, 1.166666667

Answer 2

Solution step by step

(7-6i)(-8+3i)
=7×(-8)+7×3i-6i×(-8)-6i×3i
=-56+21i+48i+18i^2
=-56+69i-18×(-1)
=-56+69i+18
=-38+39i