(4-y/2y^2-7y-4)

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Solution for (4-y/2y^2-7y-4) equation: 


y in (-oo:+oo)

4-((y/2)*y^2)-(7*y)-4 = 0

(-1/2)*y^3-7*y-4+4 = 0

-1/2*y^3-7*y = 0

-y*(1/2*y^2+7) = 0

1/2*y^2 = -7 // : 1/2

y^2 = -14

-y = 0

-1*y = 0 // : -1

y = 0

y = 0

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