3a^2+5a/7a-3

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Solution for 3a^2+5a/7a-3 equation: 


a in (-oo:+oo)

3*a^2+((5*a)/7)*a-3 = 0

26/7*a^2 = 3 // : 26/7

a^2 = 21/26

a^2 = 21/26 // ^ 1/2

abs(a) = (21/26)^(1/2)

a = (21/26)^(1/2) or a = -(21/26)^(1/2)

a in { (21/26)^(1/2), -(21/26)^(1/2) }

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