book Maths Puzzle Numerical Ability

Check my Work Please!
Rational Expression

(x2 * x+2) / x
_
5 2 30

(-18x^2)
______
(x+2)

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book Other Question

I know all the answers to these problems but i do not understand how to write the equations to them.
Suppose you are selling stuffed animals for $6 each. You sold six more rabb If P is the midpoint of segment AB, find the coordinates of the missing point

P(1.2, 4.5) B(5.3, 1.9) I cannot figure this one out. Can you please help me? Thanks