x^2-x-120/(x-1)

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Solution for x^2-x-120/(x-1) equation: 


D( x )

x-1 = 0

x-1 = 0

x-1 = 0

x-1 = 0 // + 1

x = 1

x in (-oo:1) U (1:+oo)

x^2-x-12 < 0/(x-1) // - 0/(x-1)

x^2-(0/(x-1))-x-12 < 0

x^2-x-12 < 0

x^2-x-12 < 0

DELTA = (-1)^2-(-12*1*4)

DELTA = 49

DELTA > 0

x = (49^(1/2)+1)/(1*2) or x = (1-49^(1/2))/(1*2)

x = 4 or x = -3

a = 1

a > 0

x in (-3:4)

x in (-3:1) U (1:4)

(-3:1) U (1:4)

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