2 akar 60 ditambah akar 48 dikurang 2 akar 125 =

[tex]2 \sqrt{60} + \sqrt{48} - 2 \sqrt{125} \\ = 2 \sqrt{15 \times 4} + \sqrt{16 \times 3} - 2 \sqrt{25 \times 5} \\ = 2 \times 2 \sqrt{15} + 4 \sqrt{3} - 2 \times 5 \sqrt{5} \\ = 4 \sqrt{15} + 4 \sqrt{3} - 10 \sqrt{5} [/tex]