How do you simplify #7 sqrt x + 3 sqrt y - sqrt x - 3 sqrt y#?

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Answer 1 · 2017-04-29T15:38:19

See the entire solution process below:

First, group like terms:

#7sqrt(x) - sqrt(x) + 3sqrt(y) - 3sqrt(y)#

Now, combine like terms:

#7sqrt(x) - 1sqrt(x) + 3sqrt(y) - 3sqrt(y)#

#(7 - 1)sqrt(x) + (3 - 3)sqrt(y)#

#6sqrt(x) + 0sqrt(y)#

#6sqrt(x)#