someone pls help lol
![someone pls help lol class=](https://us-static.z-dn.net/files/d9c/0d3989ffe337dc573fb25889d2272978.png)
[tex] \sqrt{x { }^{2} -6x + 9} [/tex]
Given x>3 i.e. 4
√4^2 -6*4+ 9
√16 -24 + 9
√25-24
√1