1. zarkam21

2. SolomonZelman

$$\large\color{black}{ \displaystyle x^2+\color{blue}{b}x+~\underline{~~\left(\frac{\color{blue}{b}}{2}\right)^2~~} }$$

3. SolomonZelman

for any b, the underlined value is what you need to add to make it a perfect square.

4. zarkam21

So that means I would have to divide?

5. SolomonZelman

6. Haseeb96

|dw:1435523538424:dw|

7. Haseeb96

@zarkam21 IF you have any question, ask me .

8. zarkam21

soo 22^2 divided by 4

9. Haseeb96

yes

10. Haseeb96

what did you get ?

11. misssunshinexxoxo

22^2 divided by 4 = 121

12. Haseeb96

13. zarkam21

121?

14. Haseeb96

Correct