it is important to simplify radical expressions before adding and subtracting becasue you have to use your order of operations in order to evaluate the numerical expressions you must perform the first steps by writing down the problem explaining how you are going to solve the problem step by step . How is adding radical expressions similar to adding polynomial expressions? adding radical expressions similar to adding polynomail expressions by combining the like terms .
How is it different? it is different if the experssions re different and not alike an if so then you have to find the difference by adding the opposites. Provide a radical expression for your classmates to simplify