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travie1 travie1
  • 28-03-2016
  • Mathematics
Answered

what numbers multiply to 18 and add to 8

Verified Answer :

AL2006
AL2006 AL2006
  • 28-03-2016

There is no pair of real numbers that can do the job.
The numbers that CAN do it are complex.
They are

         4 + i√2
and
         4 - i√2 .

The symbol ' i ' stands for  √-1 .

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