Question

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?
A. 8x2 – 18x – 35
B. 8x2 + 38x + 35
C. 8x? - 38x + 35
D. 8x2 + 18x - 35

Answer 1

d

Explanation:

you are going to multiply the sides together.

(4x-5)(2x+7) multiply each of the first two terms by each of the second two terms. And then combine like terms.