bantuin dong susah nih 7√8+√32+6√18

7√8+√32+6√18 =
7√4x2 + √16x2 + 6√9x2 =
7x2√2 + 4√2 + 6x3√2 =
14√2 + 4√2 + 18√2 =
36√2

[tex]7 \sqrt{8}+ \sqrt{32} +6 \sqrt{18}\\ =7 \sqrt{4\times2}+ \sqrt{16\times2}+6 \sqrt{9\times2}\\ =7\times2 \sqrt{2}+4 \sqrt{2}+6\times3 \sqrt{2}\\ =14 \sqrt{2}+4\sqrt{2}+18\sqrt{2}\\ =(14 + 4 + 18)\sqrt{2}\\ \bold{=36\sqrt{2}} [/tex]