4w^2-9/-5w

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Solution for 4w^2-9/-5w equation: 


w in (-oo:+oo)

4*w^2-((9/(-5))*w) = 0

4*w^2+(9/5)*w = 0

4*w^2+9/5*w = 0

DELTA = (9/5)^2-(0*4*4)

DELTA = 81/25

DELTA > 0

w = ((81/25)^(1/2)-9/5)/(2*4) or w = (-(81/25)^(1/2)-9/5)/(2*4)

w = 0 or w = -9/20

w in { -9/20, 0 }

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