exam Maths Puzzle Numerical Ability

Distribute to simplify the following expressions.

1. -4x^2(3x^2 - x + 1)

2. (-2x)(-3x)(5x+2)

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exam Other Question

I have no clue as to what I am doing. Please help. The picture that is with this is of a rectangular cubed box and on one of the sides it has this next to it: x + 2 .
Geometry. How do I find the product of the following and what is the product?

9w/8wx and 12x/5w