Respuesta :

prunez24

Answer:

+- i7 or 7i

Step-by-step explanation:

Take out the - sign

- then becomes i or imaginary number

_+ i ✓49

solve square root

+_ i 7

wegnerkolmp2741o

Answer:

± 7i

Step-by-step explanation:

± sqrt( -49)

We can split this into 2 sqrt's

± sqrt( -1) sqrt(49)

We know that the square root of -1 is i, the imaginary number

± sqrt( -49) = ± i * 7

± 7i

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