2y+15=y^2/30

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Solution for 2y+15=y^2/30 equation: 


y in (-oo:+oo)

2*y+15 = (y^2)/30 // - (y^2)/30

2*y-((y^2)/30)+15 = 0

2*y-1/30*y^2+15 = 0

DELTA = 2^2-(-1/30*4*15)

DELTA = 6

DELTA > 0

y = (6^(1/2)-2)/(-1/30*2) or y = (-6^(1/2)-2)/(-1/30*2)

y = -15*(6^(1/2)-2) or y = 15*(6^(1/2)+2)

y in { -15*(6^(1/2)-2), 15*(6^(1/2)+2) }

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