Explanation:
well, when 2 summed teens are multiplied, every part of one term is multiplied with every part of the other term :
(4 - 3i)(2 + i) = 8 + 4i - 6i - 3i² = 8 - 2i + 3 = 11 - 2i
Answer:
11 - 2i
Given expression:
Expand:
Apply the imaginary number rule i² = -1 :
Simplify:
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