Answer
$6\sqrt 2 + 2\sqrt 5$
Work Step by Step
Step 1: $\sqrt 2(6+\sqrt 10)$
Step 2: $6\sqrt 2 + \sqrt 2\sqrt 10$
Step 3: $6\sqrt 2 + \sqrt (2\times10)$
Step 4: $6\sqrt 2 + \sqrt (4\times5)$
Step 5: $6\sqrt 2 + \sqrt 4\sqrt 5$
Step 6: $6\sqrt 2 + 2\sqrt 5$
