Enter the correct value so that each expression is a perfect-square trinomial. x2 + 1/2x +

To solve this problem you must apply the proccedure shown below.
 1. By definition, a perfect square trinomial has the following form:
 
 2. Therefore, you must divide the middle term by 2 and square the result, as following:
 
 3. As you can see, , so, you can rewrite it as below:
 
 The answer is: 

Think of it as five or above give it a shove. change the 5 or above to the right to a zero and add one to the number on the left.