abutujoy12 abutujoy12
  • 23-01-2021
  • Mathematics
contestada

x square - 3 x - 4 equals 0​

Respuesta :

thibi2807 thibi2807
  • 23-01-2021

Answer:

x=4 x=-1

Step-by-step explanation:

x^2-3x-4=0

x^2-4x+x-4=0

x(x-4) + 1(x-4)=0

x+1=0

x=-1

x-4=0

x=4

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