Answer: I believe that it would be A.
Explanation:
I think its A because if you take 5x times -2x to get -10x then do 5x times 4which is 20x, then you do -2 times -2x to get 4x then 2 times 4 to get 8 so it would be -10x+20x+4x-8
(5x - 2)(-2x + 4) = -10x^2 + 20x + 4x - 8
= -10x^2 + 24x - 8
Option 1 is not equivalent to this.
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