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(7-6i)(7+6i) please show me how you got the answer step by step thankkksss

(7-6i)(7+6i) please show me how you got the answer step by step thankkksss
asked 2.6k views
9 votes
(7-6i)(7+6i) please show me how you got the answer step by step thankkksss

asked
User Fsbflavio
by
8.1k points

2 Answers

7 votes
(7-6i)(7+6i)
Multiply the 7^2=49
Multiple the 6^2=36
49-36i
The i will count as a 1
49-36x1
36x1=36
49+36=85
answered
User Brita
by
7.9k points
5 votes

Answer:

Just cross multiply

48+42i-42i-36i

then your final answer is: 48-36i

answered
User Darshna Rekha
by
8.3k points
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