Question

simplify root 72 + root 800 - root 18

Answer 1

√72+√800-√18
= √36×2+√400×2-√9×2
= 6√2 + 20√2-3√2
= 6+20-3(√2)
= 26- 3(√2)
= 23√2
The answer is 23√2...
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Hope this will help you....

Answer 2

Step-by-step explanation:

√2*2*2*3*3 + √2*2*2*10*10 - √2*3*3

= 2*3√2 + 2*10√2 - 3√2

= 6√2+20√2-3√2

= 6+20-3(√2)

=23√2