Question

The long side of a rectangle is 2b + 3 units, and its area is 2b ^ 2 - 5b - 12 Find the width .

Answer 1

Answer:

b - 4

Step-by-step explanation:

This can be done by factoring.

Area = length x width

2b^2 - 5b - 12 = (2b + 3)( ???)

Factor the area into (2b + 3)(b - 4).  The width is b - 4.

Answer 2

Answer:

The answer is b - 4

Step-by-step explanation: