All of the following expressions are perfect square trinomials, EXCEPT one. What is it?
![All Of The Following Expressions Are Perfect Square Trinomials EXCEPT One What Is It class=](https://ph-static.z-dn.net/files/d8e/524870011136bef5eb2bc9aff0f7629c.png)
Answer:
B
Step-by-step explanation:
Not sure but 9 is perfect square in trinomials