onedirectionfamily onedirectionfamily
  • 09-05-2017
  • Mathematics
contestada

Solve the equation using square roots.

(2x - 1)² =81

Respuesta :

desi202014
desi202014 desi202014
  • 09-05-2017
X=9

insert 9 for x in the equation to know that it's right.
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