book Maths Puzzle Numerical Ability

Hello. The problem is cube root of 10/9x^2. I have come up with the cube root of 30x/3x. Can someone please verify if I have the correct answer? Thanks in advance.

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Hi Tutors:
I have been reading and looking up topics on various Math help sites, yet I am as lost as ever.
PROBLEM: Find the intersection point (if there is one) and graph, shad what happens if you have x squared times x squared?