Simplify the Radical Expression 9 square root of 7+6 square root of 7+3 square root of 7

$9 \sqrt{7} + 6 \sqrt{7} + 3 \sqrt{7}$

Step 1

Add $9 \sqrt{7}$ and $6 \sqrt{7}$ .

$15 \sqrt{7} + 3 \sqrt{7}$

Step 2

Add $15 \sqrt{7}$ and $3 \sqrt{7}$ .

$18 \sqrt{7}$

Step 3

The result can be shown in multiple forms.

Exact Form:

$18 \sqrt{7}$

Decimal Form:

$47.62352359 \dots$