lewisaubrey04 lewisaubrey04

03-04-2020
Mathematics

contestada

how do i solve this using imaginary numbers? PLEASE HELP

how do i solve this using imaginary numbers PLEASE HELP class=

Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

03-04-2020

Answer:

14 -2i

Step-by-step explanation:

9 + sqrt(-4) - ( -5 + sqrt(-16))

We know the sqrt of a negative number is i * sqrt(number)

9 + isqrt(4) - ( -5 + isqrt(16))

9 + 2i - (-5 + 4i)

Distribute the negative sign

9+2i +5 -4i

Combine like terms

14 -2i

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