(5j² - 3j + 4) - (8j² + 2)

TheWaveLad asked Apr 5, 2023

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TheWaveLad asked Apr 5, 2023

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17 votes

where a j is powered 2, the result is -1 , then replace and simplify the brackets

$\begin{gathered} (5(-1)-3j+4)-(8(-1)+2) \\ (-5-3j+4)-(-8+2) \\ -5-3j+4+8-2 \end{gathered}$

now, group the numbers without j

and operate

solution is 5-3j

Karthi answered Apr 10, 2023

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