book Maths Puzzle Numerical Ability

(x+5)/(x-4)<=0

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book Other Question

In four rounds of a recent golf tournament, Julie shot 3 under par, 2 over par, 4 under par, and 1 under par. What was her score for the tournament? The directions on my paper read: Subtract the sum of the last two polynomials from the sum of the first two. Please help me.

1.) 2x^2-14xy+7y^2
2.) 3x^2-2