48x^7-40x^5-56x^3/8x^3

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Solution for 48x^7-40x^5-56x^3/8x^3 equation: 


x in (-oo:+oo)

48*x^7-(((56*x^3)/8)*x^3)-(40*x^5) = 0

48*x^7-7*x^6-40*x^5 = 0

48*x^7-7*x^6-40*x^5 = 0

x^5*(48*x^2-7*x-40) = 0

48*x^2-7*x-40 = 0

DELTA = (-7)^2-(-40*4*48)

DELTA = 7729

DELTA > 0

x = (7729^(1/2)+7)/(2*48) or x = (7-7729^(1/2))/(2*48)

x = (7729^(1/2)+7)/96 or x = (7-7729^(1/2))/96

x^5 = 0

1*x^5 = 0 // : 1

x^5 = 0

x = 0

x in { (7-7729^(1/2))/96, (7729^(1/2)+7)/96, 0 }

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