(2/x-12)(-5x-5)

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Solution for (2/x-12)(-5x-5) equation: 


D( x )

x = 0

x = 0

x = 0

x in (-oo:0) U (0:+oo)

(2/x-12)*(-5*x-5) = 0

(2*x^-1-12)*(-5*x-5) = 0

( -5*x-5 )

-5*x-5 = 0 // + 5

-5*x = 5 // : -5

x = 5/(-5)

x = -1

( 2*x^-1-12 )

2*x^-1 = 12 // : 2

x^-1 = 6

-1 < 0

1/(x^1) = 6 // * x^1

1 = 6*x^1 // : 6

1/6 = x^1

x = 1/6

x in { -1, 1/6 }

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