exam Maths Puzzle Numerical Ability

Given P(x)=2x^2+13x+11 and Q(x)=2x^2+10x+8 Find P(x)+Q(x)

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exam Other Question

write as a single log. 1/2 log y p^3q^4 -2/3 log y p^4q^3 The area of the rectangle shown is 2(3x-2)over x-1. Find the width?

The length given is 2x + 6 over 12x -15.

I know area = l x w but how do you find the width when the area is given?