siimeon42
siimeon42 siimeon42
  • 01-02-2016
  • Mathematics
contestada

what can multiply to give you 80 but add up to give you 11

Respuesta :

AL2006
AL2006 AL2006
  • 01-02-2016

There are no real numbers that can do that job.

There's a pair of complex numbers that can do it.
They are

         5.5 + i4.97
and
         5.5 - i4.97 .

     ' i ' = the imaginary unit = √(-1)
Answer Link

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