Area of the rectangle= L* w

On expanding;

=x(x-5)+3(x-5)
=(x+3)(x-5)
The width is (x-5)
Answer:
x= -8
Explain:
You first have to make the variable by itself so you subtract 3 on both sides. The x is by itself and you finish by subtracting -5 to 3 and you get the answer x = -8
Hope this helps
1. The given rectangular equation is
.
We substitute
.

Divide through by 



2. The given rectangular equation is:

This is the same as:

We use the relation 
This implies that:



3. The given rectangular equation is:

This is the same as:
We use the relation
and 
This implies that:

Divide through by r


4. We have 
We substitute
and 

This implies that;



5. We have 
We substitute
and 

This implies that;



Range increases. This is because range is the biggest number minus the smallest number. So when the biggest number is much bigger than the rest of the numbers, the range increases.