Hasil penjumlahan dari √72+2√32

√72 + 2√32 =6√2 + 8√2
=14√2

[tex] \sqrt{72} + 2\sqrt{32} \\ = \sqrt{( {2}^{3} \times {3}^{2}) } + 2 \sqrt{( {2}^{5} )} \\ = 2 \times 3 \sqrt{2} + 2 \times 2 \times 2 \sqrt{2} \\ = 6 \sqrt{2} + 8 \sqrt{2} \\ = 14 \sqrt{2} [/tex]