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45 votes
45 votes
A rectangular wall is 4x-5 units high and 2x+7 units long. Which polynomial best represents the area of the wall in square units?

User Emhart
by
2.3k points

1 Answer

15 votes
15 votes

Answer:

8x^2 + 18x - 35.

Explanation:

Area = (4x - 5)(2x + 7)

= 8x^2 + 28x - 10x - 35

= 8x^2 + 18x - 35.

User El Mac
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2.5k points