Question

Factorise (x+2/x)³+(x-2/x)³

Answer 1

Answer:

(x+2+x-2)(x+2^2 - (x+2)(x-2) + x-2^2 )

= 

2x(x^2 +2x +4 -x^2 +4 +x^2 -2x +4)

= 2x(x^2 +12)

Step-by-step explanation:

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