What is the parathyroid
1 answer:
You might be interested in
First thing to do is to move the constant over to the other side of the equals sign. Then we will complete the square on the x terms. We will take half the linear term, square it, then add it to both sides. Our linear term is 4. Half of 4 is 2, and 2 squared is 4. 
. In the process of completing the square we have created a perfect square binomial on the left which is 
. A is our answer.