((x+2)/(x-4))+((2x+1)/(x+3))

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Solution for ((x+2)/(x-4))+((2x+1)/(x+3)) equation: 


D( x )

x+3 = 0

x-4 = 0

x+3 = 0

x+3 = 0

x+3 = 0 // - 3

x = -3

x-4 = 0

x-4 = 0

x-4 = 0 // + 4

x = 4

x in (-oo:-3) U (-3:4) U (4:+oo)

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

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

(x+2)*(x+3)+(2*x+1)*(x-4) = 0

3*x^2-2*x+2 = 0

3*x^2-2*x+2 = 0

3*x^2-2*x+2 = 0

DELTA = (-2)^2-(2*3*4)

DELTA = -20

DELTA < 0

1 = 0

1/((x-4)*(x+3)) = 0

1/((x-4)*(x+3)) = 0 // * (x-4)*(x+3)

1 = 0

x belongs to the empty set

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