Question

Simplify
Root 72-root 800-root 18

Answer 1

root 77 =2√33

root 800 = 2×2×5√2= 20√2

root 18 =2×3×3 = 3√2 (all done by.prime factorization)

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Answer 2

Answer:​  −17√2

in decimal: -24.041631

Step-by-step explanation:

Simplify√​72  to 6√2

6√​2−√​800 −√18

Simplify√800  to 20√​2

6√​2​​​ −20√​2​​ −√​18

​Simplify √​18  to 3√​2

6√​2− 20√​2​ −3√​2

Simplify further​

−17√​2