Question

simplify root 72 + root 800 - 18​

Answer 1

${\red{\bf{\huge{Smile!}}}}$

$\sqrt{72} = 6 \sqrt{2} \\ \sqrt{800} = 20 \sqrt{2}$

Then,

$6 \sqrt{2} + 20 \sqrt{2} - 18 \\ 26 \sqrt{2} + 18 \\ 2(13 \sqrt{2} + 9)$

Hope it helps

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Answer 2

Answer:

18.76955262174

Step-by-step explanation: