Question

simplify root 72 + root 800 - root 18

Answer 1

$\sqrt{72} + \sqrt{800} - \sqrt{18} \\ = 6 \sqrt{2} + 20 \sqrt{2} - 3 \sqrt{2} \\ = \sqrt{2} (6 + 20 - 3) \\ = 23 \sqrt{2}$

Answer 2

$\sqrt{72} + \sqrt{800} - \sqrt{18}$
√2*2*2*3*3+√2*20*20-√2*3*3
3*2√2+20√2-3√2
6+20-3√2
26-3√2
23√2answer