daniiragatz
daniiragatz daniiragatz
  • 26-06-2018
  • Mathematics
contestada

(2x-3)^2=49
[tex](2x - 3 ) ^{2} = 49[/tex]
completing the square

Respuesta :

gmany
gmany gmany
  • 29-06-2018
[tex](2x-3)^2=49\iff2x-3=\pm\sqrt{49}\\\\2x-3=-7\ \vee\ 2x-3=7\ \ \ |+3\\\\2x=-4\ \vee\ 2x=10\ \ \ \ |:2\\\\x=-2\ \vee\ x=5[/tex]
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