Answer:
33 - 4i
Explanation:
note that i² = - 1
(7 - 6i)(3 + 2i) ← expand using FOIL
= 21 + 14i - 18i - 12i²
= 21 - 4i - 12(- 1)
= 21 - 4i + 12 ← collect like terms
= 33 - 4i
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