15/6y-7/2y^2

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Solution for 15/6y-7/2y^2 equation: 


y in (-oo:+oo)

(15/6)*y-((7/2)*y^2) = 0

(-7/2)*y^2+(15/6)*y = 0

5/2*y-7/2*y^2 = 0

DELTA = (5/2)^2-(-7/2*0*4)

DELTA = 25/4

DELTA > 0

y = ((25/4)^(1/2)-5/2)/(-7/2*2) or y = (-(25/4)^(1/2)-5/2)/(-7/2*2)

y = 0 or y = 5/7

y in { 0, 5/7 }

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