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5 votes
How do I solve (7-6i)(-8+3i)?

User Samcorcos
by
7.6k points

2 Answers

6 votes
i = {2.666666667, 1.166666667
User Jalmarez
by
8.4k points
4 votes
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
User Scott Hsieh
by
8.1k points