SOLUTION: How would this equation be solved/simplified? 6th root of (4x^2)

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First, what you have is not an equation but an expression. Equations are solved but expressions are evaluated or simplified. Now that we've cleared that up, try this:
You can write this expression as follows:

As you probably know, when you raise an expression such as to a power, you multiply the exponent of each factor on the inside of the parentheses by the exponent on the outside of the parentheses.
Simplify.
If you have to evaluate the sixth root of 4, then it becomes:
Approximately.