Answer:
its B. 4x(5-4y)
Explanation:
20x-16xy
4x(5-4y) distribute the 4x
4x(5) and 4x(-4y)
4*5=20 and dont forget the x, so its 20x
4*-4=-16 and dont forget the previous y and the x so its -16xy
put it together and its 20x-16xy
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