exam Maths Puzzle Numerical Ability

Can someone help me solve this problem?

I need to evaluate the following problem:

16 divided by (-2) * (-4)/2^3 + 4

Thank you,
Lyn

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exam Other Question
(x-1)(2x+3) = 3

I keep coming up with x=-3/2 or x = 2
but the book is saying x = -2 and x is 3/2
what am I doing wrong How do I simplify: x^2-10x+25 over x^2 - 5x