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

GRAPH THE INEQUALITY

y>-2 Can you please help with this one?
(16 - x2)/
(x3 - 2x2 - 8x)
So far I have:
(4-x)(4+x) over
x(x+2)(x-4)
Do this look right and is it as far as I can go?