(y)(y)+(225/4)=-15y

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Solution for (y)(y)+(225/4)=-15y equation: 


y in (-oo:+oo)

y*y+225/4 = -15*y // + -15*y

y*y-(-15*y)+225/4 = 0

y*y+15*y+225/4 = 0

y^2+15*y+225/4 = 0

DELTA = 15^2-(1*4*225/4)

DELTA = 0

y = -15/(1*2)

y = -15/2 or y = -15/2

y in { -15/2, -15/2 }

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