s3s3
s3s3
14-07-2017
Mathematics
contestada
solve:
x^2 = 81
x^2 = -9
x^2 = 20
3x^2 = 125
Respuesta :
Banabanana
Banabanana
14-07-2017
x^2 = 81
x =
±√81
x = ±9
x^2 = -9 no solutions
x^2 = 20
x =
±√20
x =
±2
√5
[tex]3x^2 = 125 \\ x^2 = \frac{125}{3} \\ x=б \sqrt{ \frac{125}{3} } [/tex]
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