((9x-4)/(x+1))-1

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Solution for ((9x-4)/(x+1))-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)

(9*x-4)/(x+1)-1 = 0

(9*x-4)/(x+1)+(-1*(x+1))/(x+1) = 0

9*x-1*(x+1)-4 = 0

8*x-5 = 0

(8*x-5)/(x+1) = 0

(8*x-5)/(x+1) = 0 // * x+1

8*x-5 = 0

8*x-5 = 0 // + 5

8*x = 5 // : 8

x = 5/8

x = 5/8

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