Answer:
22 - 34i [ or 2(11-17i) ]
Step-by-step explanation:
(5 − 4i)(6 − 2i) (expand parentheses by distributive property)
= (5)(6) + (5)(-2i) + (-4i)(6) + (-4i)(-2i)
= 30 - 10i - 24i + 8i²
= 30 - 34i + 8i² (recall that i² = -1)
= 30 - 34i + 8(-1)
= 30 - 34i - 8
= 22 - 34i [ or 2(11-17i) ]
