-4x/x-7-x/3x-21

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Solution for -4x/x-7-x/3x-21 equation: 


D( x )

x = 0

x = 0

x = 0

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

(-4*x)/x-((x/3)*x)-21-7 = 0

(-1/3)*x^2+(-4*x)/x-21-7 = 0

-1/3*x^2 = 32 // : -1/3

x^2 = -96

x belongs to the empty set

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