Question

simplify√72+√800-√18​

Answer 1

Answer:

$\sqrt{72 \:} + \sqrt{800} - \sqrt{18} \\ \: \sqrt{2 \times 2 \times 2 \times 3 \times 3} + \sqrt{10 \times 10 \times 2 \times 2 \times 2} - \sqrt{2 \times 3 \times 3} \\ \: 6 \sqrt{2} + 20 \sqrt{2} - 3 \sqrt{2} \\ \: 26 \sqrt{2} - 3 \sqrt{2} \\ = 23 \sqrt{2}$