Marlene S. answered 01/07/16
Tutor
New to Wyzant
√54 + √18 - √6
Let's take each term individually
√54 = √(6•9) = 3√6
√18 = √(2•9) = 3√2
√6 cannot be reduced any further.
So we have
3√6 + 3√2 - √6
= 2√6 + 3√2