How do you simplify $-10sqrt7+12sqrt7$ ?

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Answer 1 · 2016-09-08T14:26:10

= $2sqrt7$

There are two terms, but they are like terms, so we can just simplify, giving the answer in terms of $sqrt7$

$-10sqrt7 + 12sqrt7$ can also be written as $12sqrt7-10sqrt7$

= $2sqrt7$

How do you simplify -10sqrt7+12sqrt7-10sqrt7+12sqrt7?