12v^9-4v^7=10v^4/2v^4

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Solution for 12v^9-4v^7=10v^4/2v^4 equation: 


v in (-oo:+oo)

12*v^9-(4*v^7) = ((10*v^4)/2)*v^4 // - ((10*v^4)/2)*v^4

12*v^9-(((10*v^4)/2)*v^4)-(4*v^7) = 0

12*v^9-5*v^8-4*v^7 = 0

12*v^9-5*v^8-4*v^7 = 0

v^7*(12*v^2-5*v-4) = 0

12*v^2-5*v-4 = 0

DELTA = (-5)^2-(-4*4*12)

DELTA = 217

DELTA > 0

v = (217^(1/2)+5)/(2*12) or v = (5-217^(1/2))/(2*12)

v = (217^(1/2)+5)/24 or v = (5-217^(1/2))/24

v^7 = 0

1*v^7 = 0 // : 1

v^7 = 0

v = 0

v in { (5-217^(1/2))/24, (217^(1/2)+5)/24, 0 }

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