Answer:
-6√2
Step-by-step explanation:
Since the largest square root in 18 is 9 we can separate it out as shown:
√18 = √9√2
We can then solve this out to 3√2
Since we have a negative two on the outside, we would multiply it by 3 ( from the 3√2).
Work:
-2√18
-2√9√2
-2(3)√2
-6√2
