Which of the following represents the area of a rectangle whose length is 5x − 3 and whose width is x + 7? 5x2 − 21 5x2 + 9x − 21 5x2 + 32x − 21 5x2 − 32x − 21

we know that

the area of the rectangle is equal to

where

L is the length side of the rectangle

W is the width side of the rectangle

In this problem we have

substitute the values in the formula above to find the area

therefore

the answer is the option

5x2 + 32x − 21

answer:

3 bags of apples and 2 bags of oranges.

step-by-step explanation: