How do you evaluate 7√2 + √50 - 2/18?

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Answer 1 · 2018-03-21T02:52:39

#7sqrt2+sqrt50-2/18=color(blue)(12sqrt2-1/9#

Simplify:

#7sqrt2+sqrt50-2/18#

Simplify #2/18# to #1/9#.

#7sqrt2 + sqrt50-1/9#

Prime factorize #sqrt50#.

#7sqrt2+sqrt(2xx5^5)-1/9#

Apply rule: #sqrt(a^2)=a#

#7sqrt2+5sqrt2-1/9#

Simplify.

#12sqrt2-1/9#