How do you simplify $7sqrt18+6sqrt6$ ?

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Answer 1 · 2018-08-08T22:59:17

$21sqrt2 +6sqrt6$

For the first number, you can simplify the square root

$7sqrt18$
$7sqrt(3*3*2)$
$7*3sqrt2$
$21sqrt2$

The second number is simplified

How do you simplify 7sqrt18+6sqrt67sqrt18+6sqrt6?