Question

x²+1/x²-3+8x-8/x factorise​

Answer 1

Step-by-step explanation:

Factorisation of x²+1/x²-3+8x-8/x

(x²+1/x²-2) -1 +8x-8/x. ( use expansion formula)

(x-1/x)^2 -1+8(x-1/x). ( take common out)

(x-1/x)[ (x-1/x)+7 ]

(x-1/x)[ x- 1/x +7 ]

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