Bharacter Bharacter

25-11-2015
Mathematics

contestada

X+2=x to the second power +4 at x = 2

Respuesta :

25-11-2015

No it doesn't.

When x=2,

      x + 2 = 4
and
   x² + 4 = 4 + 4 = 8

If you want (x + 2) to be equal to (x² + 4),
then

either    x = 0.5 + 1.323 i
or
   x = 0.5 - 1.323 i . ' i ' = √-1

There are no other ways to do it.

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