exam Maths Puzzle Numerical Ability

I have been struggling with this problem for a while now and I was wondering if anyone could help me? I would deeply appreciate it!! Please and Thank you!!

Solving Problems Involving Inequalities
Solve.

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exam Other Question

find all roots of the polynomial x^3-x^2+16-16 Find all the numbers for which the rational expression is undefined:
q^3-8a/q^2-64