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(7-6i)(3+2i) what is the answer to this

(7-6i)(3+2i) what is the answer to this
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5 votes
(7-6i)(3+2i) what is the answer to this

User Mattia Ruggiero
by
8.2k points

1 Answer

3 votes

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

User Lalit Yadav
by
7.8k points
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