a^2+4/5a+4/45=0

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Solution for a^2+4/5a+4/45=0 equation: 


a in (-oo:+oo)

a^2+(4/5)*a+4/45 = 0

a^2+4/5*a+4/45 = 0

DELTA = (4/5)^2-(4/45*1*4)

DELTA = 64/225

DELTA > 0

a = ((64/225)^(1/2)-4/5)/(1*2) or a = (-(64/225)^(1/2)-4/5)/(1*2)

a = -2/15 or a = -2/3

a in { -2/3, -2/15 }

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