2√81-3√27+2√243 bentuk sederhananya

=[tex]2\sqrt{81}-3\sqrt{27}+2\sqrt{243}[/tex]
=[tex]2*9-3*3\sqrt{3}+2*9\sqrt{3}[/tex]
=[tex]2*\sqrt{(9)^2}-3*\sqrt{3^2*3}+2*\sqrt{9^2*3}[/tex]
=[tex]18+9 \sqrt{3}[/tex]

kalau belum paham nda tahu lagi deh

2.9-3-3akar3+2.9akar3=15-9akar3+18akar3
=15+9akr3