ERROR ANALYSIS Describe the error in simplifying the expression.
V72 = V4.18
=V4.V18
= 2V18
o 72 is factored incorrectly as 4 . 18.
O V4.18 is equal to
2.V 18.
O
The radicand 18 is a perfect square.
o The radicand 18 has a perfect square factor.

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