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

asked Jun 10, 2022 2.6k views

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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

Brita answered Jun 12, 2022

by Brita

4.6k points

5 votes

Answer:

Just cross multiply

48+42i-42i-36i

then your final answer is: 48-36i

Darshna Rekha answered Jun 15, 2022

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