exam Maths Puzzle Numerical Ability

Find the sum. Express the answer in simplest form.

-6g^2+9/h^2-2 + 7g^2-6/h^2-2

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exam Other Question

x^2 -6x -27<0

(x-9)(x+3)<0
can you help me Find the absolute value inequality:


9. x < 6 or x > 11