SOLUTION: if only radicls can be added or subtracted then why 5 square root of 3 + 2 square root of 12 can be simplified

Question 700479: if only radicls can be added or subtracted then why 5 square root of 3 + 2 square root of 12 can be simplified

Answer by ankor@dixie-net.com(22740) (Show Source): You can put this solution on YOUR website!
if only LIKE radicals can be added or subtracted; then why 5 square root of 3 + 2 square root of 12 can be simplified
:

Factor inside the second radical to reveal a perfect square (4)

Extract the square root of that perfect square (2)

Now we have like radicals that can be added, resulting in:

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