exam Maths Puzzle Numerical Ability

Factor:
9x^2 + 6x + 1

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exam Other Question

I am finding partial decomposition very intimidating-Please help if you can:)Thank You very much!
Find the unknowns on the right side of the partial fraction decomposition.
x+3/x^3+64=A/x=4+Bx+C/x^2-4x+16 Find the midpoint of the line segment from A(-2,9) to B(4,5). I plotted it out to be D(3,7) and would like to know if I was right or not. thanks for looking it over.