Question

Plsssss factorise it tomorrow is my test

Answer 1

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Answer 2

Step-by-step explanation:

x³ + 1/x³ + 6(x + 1/x)

{(x + 1/x)³ - 3(x + 1/x)} + 6(x + 1/x)

(x + 1/x)³ + 3(x + 1/x)

(x + 1/x) { (x + 1/x)² + 3 }

(x + 1/x) { x² + 1/x² + 5 }