5/(x+2)+10/(x+1)

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Solution for 5/(x+2)+10/(x+1) equation: 


D( x )

x+2 = 0

x+1 = 0

x+2 = 0

x+2 = 0

x+2 = 0 // - 2

x = -2

x+1 = 0

x+1 = 0

x+1 = 0 // - 1

x = -1

x in (-oo:-2) U (-2:-1) U (-1:+oo)

5/(x+2)+10/(x+1) = 0

(5*(x+1))/((x+2)*(x+1))+(10*(x+2))/((x+2)*(x+1)) = 0

5*(x+1)+10*(x+2) = 0

15*x+25 = 0

(15*x+25)/((x+2)*(x+1)) = 0

(15*x+25)/((x+2)*(x+1)) = 0 // * (x+2)*(x+1)

15*x+25 = 0

15*x+25 = 0 // - 25

15*x = -25 // : 15

x = -25/15

x = -5/3

x = -5/3

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