9m^2-4/49

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Solution for 9m^2-4/49 equation: 


m in (-oo:+oo)

9*m^2-(4/49) = 0

9*m^2-4/49 = 0

9*m^2 = 4/49 // : 9

m^2 = 4/441

m^2 = 4/441 // ^ 1/2

abs(m) = 2/21

m = 2/21 or m = -2/21

m in { 2/21, -2/21 }

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