exam Maths Puzzle Numerical Ability

76. (x^3-1)/(x^2+1) divided by (9x^2+9x+9)/(x^2-x)

I do not know where to start on this problem let alone how to do it.

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exam Other Question
Graph (x+3) (x-2)^2=0 (use maxs, mins, x and y intercepts) Find the domain and range.
{(-1,-9), (-5,-10), (-4,1), (10, -6), (5,-2)}