(2x+5)/(x^2-64)*(x-3)/(x^2-64)

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Solution for (2x+5)/(x^2-64)*(x-3)/(x^2-64) equation: 


D( x )

x^2-64 = 0

x^2-64 = 0

x^2-64 = 0

1*x^2 = 64 // : 1

x^2 = 64

x^2 = 64 // ^ 1/2

abs(x) = 8

x = 8 or x = -8

x in (-oo:-8) U (-8:8) U (8:+oo)

(((2*x+5)/(x^2-64))*(x-3))/(x^2-64) = 0

((2*x+5)*(x-3))/((x^2-64)^2) = 0

( 2*x+5 )

2*x+5 = 0 // - 5

2*x = -5 // : 2

x = -5/2

( x-3 )

x-3 = 0 // + 3

x = 3

x in { -5/2, 3 }

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