Answer :
The expression √-20 has an equivalent of 2√-5
What are expressions?
Expressions are mathematical statements that are represented by variables, coefficients and operators
How to determine the equivalent expression?
The expression is given as
√-20
Express 20 as the product of 4 and -5
So, we have the following equation
√-20 = √4 * -5
Expand the equation
So, we have the following equation
√-20 = √4 * √-5
Evaluate the exponent
√-20 = 2√-5
Hence, the equivalent expression of √-20 is 2√-5
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