exam Maths Puzzle Numerical Ability

Hi,
Can you help me with this math problem?
Decompose into partial fractions.
17.) 2x^2-24x+35/(x^2+2x-7)(x-2)

The answer should be 7x/x^2+2x-7 - 5/x-2

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exam Other Question

log2x=-1 Suppose f(x)=3x^2-4x+5. Explain how f(9) differs from f(x)=9.