9/25m^2=21

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Solution for 9/25m^2=21 equation: 


m in (-oo:+oo)

(9/25)*m^2 = 21 // - 21

(9/25)*m^2-21 = 0

9/25*m^2 = 21 // : 9/25

m^2 = 175/3

m^2 = 175/3 // ^ 1/2

abs(m) = (175/3)^(1/2)

m = (175/3)^(1/2) or m = -(175/3)^(1/2)

m in { (175/3)^(1/2), -(175/3)^(1/2) }

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