(f)=5x/x-4

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Solution for (f)=5x/x-4 equation: 


D( x )

x = 0

x = 0

x = 0

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

f = (5*x)/x-4 // - (5*x)/x-4

f-((5*x)/x)+4 = 0

f-5+4 = 0

f-1 = 0

x należy do R

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

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