3b^2-2/10b

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Solution for 3b^2-2/10b equation: 


b in (-oo:+oo)

3*b^2-((2/10)*b) = 0

3*b^2+(-1/5)*b = 0

3*b^2-1/5*b = 0

DELTA = (-1/5)^2-(0*3*4)

DELTA = 1/25

DELTA > 0

b = ((1/25)^(1/2)+1/5)/(2*3) or b = (1/5-(1/25)^(1/2))/(2*3)

b = 1/15 or b = 0

b in { 0, 1/15 }

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