exam Maths Puzzle Numerical Ability

How do we solve this problem?
Which of the following expressions represents the product of 3 less than twice x and 2 more than the quantity 3 times x ?

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exam Other Question

Can someone please help me with this problem? I don't know where to begin.

Find the product

(3-x+8x^3-10x^2) / (1+2x)

Thank you
Factor completely. 6x^2 - xy - 5y^2

thanks