09-03-2021
Mathematics

contestada

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

Respuesta :

jesusm1 jesusm1

09-03-2021

Answer:

Just cross multiply

48+42i-42i-36i

then your final answer is: 48-36i

Answer Link

noemicscott noemicscott

09-03-2021

(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

Answer Link

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