exam Maths Puzzle Numerical Ability

Please help me to solve the following problem:

Perform the indicated operation:
x^3-1/x^2+1 divided by 9x^2+9x+9/x^2-x

Thank you very much!

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exam Other Question

Tutor could you help me please with these problems:

(2x+1)(3x-1)=

and

(k/2)(1/n) is equivalent to k/2 divided by ?

Thank you for your help What is the equation of the line whose slope is -4 and whose y - intercept is 5?