Respuesta :

AnimeBrainly
(4 + 6i)^2 = (4 + 6i)(4 + 6i)

Use the FOIL method

4(4) = 16

4(6i) = 24i

6i(4) = 24i

6i(6i) = 36i², or -36       (note, i² = -1)

24i  + 24i = 48i

 16 + 48i - 36  = 48i - 20

48i - 20  is your answer

hope this helps
xanxan2

the answer is -20+48i

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