Answer:
8√2
Step-by-step explanation:
Both 18 and 50 are easily factorable, the first as 2*9 and the second as 2*25. Taking the square root of 18 results in 3√2 and that of 50 in 5√2/
Thus, the original problem √18 + √50 simplifies to (3 + 5)√2, or 8√2
