A cell phone company sold 4,000 cell phones in the month of November. In December, the company held its annual sale and sold 22%
1 answer:
You might be interested in
Answer:
Given equation:
when we complete the square , we take half of the value of 8 , then square it, and added to the left sides, we get;
∵8 is the value
Notice that, we add this both sides so that it maintains the equality.
then;
[
]
Simplify:
The number must be added to complete the square is,