lashundrawalton lashundrawalton

18-10-2018
Mathematics

contestada

Perform the indicated operation and write the result in the form a+bi. -9i(-9i+4)+3(8+8i)

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jimrgrant1 jimrgrant1

18-10-2018

- 57 - 12i

distribute the parenthesis

= 81i² - 36i + 24 + 24i

[ note that i² = (√- 1 )² = - 1 ]

= - 81 - 36i + 24 + 24i ( collect like terms )

= - 57 - 12i

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ashlore ashlore

04-06-2020

Answer:

D^^

Step-by-step explanation:

Edge

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