exam Maths Puzzle Numerical Ability

Homework example. Please help me understand and show me how to solve this complex fraction. Thanks!

3/x-2 + 21/x^2-4 = 14/x+2

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exam Other Question

This is about velocity.
the path of a falling object is given by the function s=-16t^+v0t+s0 where vo represents the initial velocity in feet/second and so represents the initial I need help with sloving equations For example: 3-4(2x-4)=29 and i also need assistance with sub problems dealing with rectangle and triangles and there formulas