a^2-36/3a-18

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Solution for a^2-36/3a-18 equation: 


a in (-oo:+oo)

a^2-((36/3)*a)-18 = 0

a^2-12*a-18 = 0

a^2-12*a-18 = 0

DELTA = (-12)^2-(-18*1*4)

DELTA = 216

DELTA > 0

a = (216^(1/2)+12)/(1*2) or a = (12-216^(1/2))/(1*2)

a = (6*6^(1/2)+12)/2 or a = (12-6*6^(1/2))/2

a in { (12-6*6^(1/2))/2, (6*6^(1/2)+12)/2 }

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