Tolong di bantu yaa soalnya mau di kumpulin besok

3 (x – 1/x)^2

3 ( x – 1/x) ( x – 1/x)

3 (x^2 – x – x + 1/x^2)

3 (x^2 – 2x + 1/x^2)

(3x^2 – 2x + 3/x^2)