Question

5 Th Root 2+Root72- Root32

Answer 1

Answer:

$5 \sqrt{2} + \sqrt{72} - \sqrt{32} \\ = 5 \sqrt{2} + \sqrt{36 \times 2} - \sqrt{16 \times 2} \\ = 5 \sqrt{2} + 6 \sqrt{2} - 4 \sqrt{2} \\ = 11 \sqrt{2} - 4 \sqrt{2} \\ = 7 \sqrt{2}$