Hasil dari 3√2 +√72 -√32

  [tex] 3 \sqrt{2}+ \sqrt{72}- \sqrt{32} \\ =3 \sqrt{2} + \sqrt{36 x 2} - \sqrt{16 x 2} \\ =3 \sqrt{2} + 6 \sqrt{2} - 4 \sqrt{2} \\ =9 \sqrt{2} - 4 \sqrt{2} \\ =5 \sqrt{2} [/tex]

semoga membantu !