12y-15/22y^2-4

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Solution for 12y-15/22y^2-4 equation: 


y in (-oo:+oo)

12*y-((15/22)*y^2)-4 = 0

(-15/22)*y^2+12*y-4 = 0

12*y-15/22*y^2-4 = 0

DELTA = 12^2-(-4*(-15/22)*4)

DELTA = 1464/11

DELTA > 0

y = ((1464/11)^(1/2)-12)/(-15/22*2) or y = (-(1464/11)^(1/2)-12)/(-15/22*2)

y = -11/15*((1464/11)^(1/2)-12) or y = 11/15*((1464/11)^(1/2)+12)

y in { -11/15*((1464/11)^(1/2)-12), 11/15*((1464/11)^(1/2)+12) }

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