book Maths Puzzle Numerical Ability

OK I need to simplify this question

x-2 / 3x-2y
times
9x^2-4y^2 / 2x^2+x-10

A) 3x-2y / 7x+1
B) 3x+2y / 2x-5
C) 3x+2y / 2x-5
D) 3x^2+2y^2 / 2x+5

Thanks!

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book Other Question

When the temperature goes up 3degree on the cantorscale, it goes up 8degree
on the Frobenius scale. On both scales, 18degree is the same temperature. How many Frobenius degrees are equal to 30degree Cantor? How would I solve the inequality for the equation x - 1/x^2 < 0? I came up with the answer of (0,1). Would this be the correct answer or show me how to work for the correct answer.