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

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Solution for (((x+4)+(x+7))/(x+7))*((x-1)/(x-2))=0 equation: 


D( x )

x+7 = 0

x-2 = 0

x+7 = 0

x+7 = 0

x+7 = 0 // - 7

x = -7

x-2 = 0

x-2 = 0

x-2 = 0 // + 2

x = 2

x in (-oo:-7) U (-7:2) U (2:+oo)

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

((2*x+11)*(x-1))/((x+7)*(x-2)) = 0

( 2*x+11 )

2*x+11 = 0 // - 11

2*x = -11 // : 2

x = -11/2

( x-1 )

x-1 = 0 // + 1

x = 1

x in { -11/2, 1 }

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