(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)

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(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)(3x+9)/(4-4x+

(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)
(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)

(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)
(3x+9)/(4-4x+x^2)÷(x+3)/(x-2)
=3(x+3)/(x-2)²×(x-2)/(x+3)
=3/(x-2)

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