jordynlogan
jordynlogan jordynlogan
  • 21-02-2018
  • Mathematics
contestada

what are two numbers that when multiplied equal 54, and also when added equals -15

Respuesta :

ericzhang627
ericzhang627 ericzhang627
  • 21-02-2018
6 x -9 = -54
6 + (-9) = -3

x2 - 3x - 54 = 0

(X + 6 ) (X - 9)

x2 - 3x - 54 = (X + 6 ) (X - 9)
=
6 & -9 

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