exam Maths Puzzle Numerical Ability

7/x+2+5/x^2-2x+4=84/x^3+8

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exam Other Question

simplify and state the excluded values
(x^2+x-12)/(60-5x-5x^2) please help

4/5x + 2 greater or equal to 2/5

and

1-6x less than or equal to 7