exam Maths Puzzle Numerical Ability

If you could, please help me with this problem.
thanks

2
-------- +2
x + 4
------------------------
3
------- + 1
(x + 4)

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exam Other Question

Can someone please help me with these. I thought I understood how to solve them but I am stuck and don't know what to do. Thank you.
a) sqrt of x - 1 = 3
b) sqrt of x^3 = 8
c) Divide:
g^2-g-12/g^2-10g+24 divided by g^2-9/g^2-7g+6