camras1212 camras1212

27-05-2020
Mathematics

contestada

x^2+5=3 fkdsfinciqewnv9rnqfop31ekc[
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Respuesta :

wegnerkolmp2741o wegnerkolmp2741o

27-05-2020

Answer:

x = ± i sqrt(2)

Step-by-step explanation:

x^2+5=3

Subtract 5 from each side

x^2+5-5=3-5

x^2 = -2

Take the square root of each side

sqrt(x^2) = ±sqrt(-2)

x = ±sqrt(2)sqrt(-1)

We know the square root of -1 is i

x = ± i sqrt(2)

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