1/3w^2=4/5w

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Solution for 1/3w^2=4/5w equation: 


w in (-oo:+oo)

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

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

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

1/3*w^2-4/5*w = 0

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

DELTA = 16/25

DELTA > 0

w = ((16/25)^(1/2)+4/5)/(1/3*2) or w = (4/5-(16/25)^(1/2))/(1/3*2)

w = 12/5 or w = 0

w in { 0, 12/5 }

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