12w^2-28w/4w^2-20w

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Solution for 12w^2-28w/4w^2-20w equation: 


w in (-oo:+oo)

12*w^2-(((28*w)/4)*w^2)-(20*w) = 0

12*w^2-7*w^3-20*w = 0

12*w^2-7*w^3-20*w = 0

w*(12*w-7*w^2-20) = 0

12*w-7*w^2-20 = 0

DELTA = 12^2-(-20*(-7)*4)

DELTA = -416

DELTA < 0

w = 0

w = 0

w = 0

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