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To simplify any square root you look for perfect square factors. So we will factor the radicand (the expression inside the radical) into as many perfect square factors as possible:
Using the Commutative property we can rearrange the factors. I like to put all the perfect square factors in front:
Next we can use the property of radicals, to separate all the perfect square factors into separate square roots:
Now we can simplify the square roots of the perfect squares:
which simplifies to: