Question

Simplify root 72+root 800-root 18
With steps plz

Answer 1

Hey friend,

Here is your answer,
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$\sqrt72 + \sqrt800 - \sqrt18$

=> $\sqrt {2*2*3*3*2} + \sqrt{10*10*2*2*2} + \sqrt{2*3*3}$

=> $\sqrt{6^2 * 2} + \sqrt{20^2 *2} + \sqrt{3^2*2}$

=> $6\sqrt2 + 20\sqrt2 - 3\sqrt2$

=> $(6+20-3)\sqrt2$

=> $23 \sqrt2$
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