Firedrake474
Firedrake474 Firedrake474
  • 17-08-2017
  • Mathematics
contestada

#40 solve by completing the square

40 solve by completing the square class=

Respuesta :

kphung76127
kphung76127 kphung76127
  • 17-08-2017
x^2+ (2/3)x= 1/3
x^2+ (2/3)x+ (1/9) = (1/3)+(1/9)

(x+(1/3))^2= (1/3)+(1/9)

(x+(1/3))^2= 4/9

(x+(1/3))= √4/9
x+(1/3)= +- 2/3

x= 2/3 - 1/3
x= 1/3

x= -2/3-1/3
x= -1

Final answer: x=-1, x=1/3
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