To simplify the given radical expression, we need to add radicals. To do so, we will use the properties for combining radical expressions when they are part of a sum or difference.
asqrt(x)+bsqrt(x)=(a+b)sqrt(x)
asqrt(x)-bsqrt(x)=(a-b)sqrt(x)
Notice that radicals can only be added or subtracted when the index and the value inside are exactly the same.
