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10-12-2020
Mathematics

contestada

Simplify (7+5i)(2+5i)

Respuesta :

10-12-2020

14+45i+ 25i^2 is expanded version

Answer Link

lavenderspring50 lavenderspring50

10-12-2020

-11 + 45i

Steps: (i used the FOIL method)

14 + 35i + 10i - 25

(14 - 25) + (35i + 10i)

-11 + 45i

Answer Link

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