Question

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Answer 1

Answer:

(x^2+1/x^2)-4 (x+1/x) +6

Step-by-step explanation:

1:

Cancel both the x's with each other in both ( ).

2:

Subtract 4 from first ( )'s and add 6 to the second ( ).

3:

Now multiply both the ( )'s answer with each other.

The final product will be your answer.

Answer 2

Answer:

Step-by-step explanation:

let us take x^2+1/x^2 and it can be written as

(x+1/x)^2-2

(x+1/x)^2-2-4(x+1/x)+6

=(x+1/x)^2-4(x+1/x)+4

it is in the form of a^2+b^2-2ab=(a-b)^2

here a=x+1/x

b=2

now

(x+1/x-2)