3y-15/3y*y/75-3y^2

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Solution for 3y-15/3y*y/75-3y^2 equation: 


y in (-oo:+oo)

3*y-(((15/3)*y*y)/75)-(3*y^2) = 0

(-1/15)*y^2-3*y^2+3*y = 0

3*y-46/15*y^2 = 0

DELTA = 3^2-(-46/15*0*4)

DELTA = 9

DELTA > 0

y = (9^(1/2)-3)/(-46/15*2) or y = (-9^(1/2)-3)/(-46/15*2)

y = 0 or y = 45/46

y in { 0, 45/46 }

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