bentuk dari akar 22 akar 8 ditambah akar 32 dikurang 2 akar 72

[tex]22 \sqrt{8} + \sqrt{32} - 2 \sqrt{72} \\ = 22 \sqrt{4 \times 2} + \sqrt{16 \times 2} - 2 \sqrt{36 \times 2} \\ = 22 \times 2 \sqrt{2} + 4 \sqrt{2} - 2 \times 6 \sqrt{2} \\ = 44 \sqrt{2} + 4 \sqrt{2} - 12 \sqrt{2} \\ = 48 \sqrt{2} - 12 \sqrt{2} \\ = 36 \sqrt{2} [/tex]