Answer:
-18
Step-by-step explanation:
Simplify the radical by breaking the radicand up into a product of known factors, assuming positive real numbers.
STEP 1: Separate The Digits Into Pairs.
STEP 2: Find The Largest Integer.
STEP 3: Now Subtract That Integer.
STEP 4: Let's Move To The Next Pair.
STEP 5: Find The Right Match.
STEP 6: Subtract Again.
(I always use these steps.)
