12a^2-18a/2a-3

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Solution for 12a^2-18a/2a-3 equation: 


a in (-oo:+oo)

12*a^2-(((18*a)/2)*a)-3 = 0

12*a^2-9*a^2-3 = 0

3*a^2 = 3 // : 3

a^2 = 1

a^2 = 1 // ^ 1/2

abs(a) = 1

a = 1 or a = -1

a in { 1, -1 }

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