Question

Factorise (x+1/x)^2+6(x+1/x)+9

Answer 1

Step-by-step explanation:

(x + 1/x)² + 6(x + 1/x) + 9

(x + 1/x)² + 2(x + 1/x)(3) + (3)²

{(x + 1/x) + 3}²

Answer 2

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