1.Why is it important to simplify radical expressions beforeadding or subtractin

1.Why is it important to simplify radical expressions beforeadding or subtracting? How is adding radical expressions similar toadding polynomial expressions? How is it different? Provide aradical expression to simplify.2.Describe two laws of exponents and provide an exampleillustrating each law. Explain how to simplify the expression. Howdo the laws work with rational exponents? Provide a thirdexpression to simplify that includes rational (fractional)exponents. Please see attachment.