How do you simplify $7 \sqrt{18} + 6 \sqrt{6}$ $7sqrt18+6sqrt6$ ?

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Answer 1 · 2018-08-08T22:59:17

$21 \sqrt{2} + 6 \sqrt{6}$ $21sqrt2 +6sqrt6$

For the first number, you can simplify the square root

$7 \sqrt{18}$ $7sqrt18$
$7 \sqrt{3 \cdot 3 \cdot 2}$ $7sqrt(3*3*2)$
$7 \cdot 3 \sqrt{2}$ $7*3sqrt2$
$21 \sqrt{2}$ $21sqrt2$

The second number is simplified

How do you simplify 7√18+6√67sqrt18+6sqrt6?