The area of rectangle with length l and width w is

If the length of rectangle is expressed as
and the width of rectangle is expressed as
, then the area of rectangle is

Answer:
what is the question?
Step-by-step explanation:
Answer:
6
Step-by-step explanation:
The expression can be rearranged to ...
b = 3 -9/(a+5)
In order for b to be an integer, (a+5) must be an integer divisor of 9. There are exactly 6 of those: ±1, ±3, ±9.
The attached table shows the values (a, b) = (x₁, f(x₁)).
6.5 times 4 and 13 times 2