hhailey123 hhailey123
  • 18-01-2021
  • Mathematics
contestada

x2 - 2x + 4 = 0
How many solutions

Respuesta :

Kriteey
Kriteey Kriteey
  • 18-01-2021

Answer:

Step-by-step explanation:

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

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

or, x(x-2)-2(x-2)=0

or, (x-2)(x-2)=0

Now,

Either, x-2=0

=2

Or, x-2=0

=2

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