sederhanakan bentuk akar tersebut √72-√18+√2

[tex] \sqrt{72} - \sqrt{18} + \sqrt{2} [/tex]
[tex] \sqrt{36.2} - \sqrt{9.2} + \sqrt{2} [/tex]
[tex] 6\sqrt{2} - 3 \sqrt{2} + \sqrt{2} [/tex]
=
[tex] 4\sqrt{2} [/tex]
semoga membantu :)