Question: What is the simplified form of the expression 2√18 + 3√8?

Options:

1. 6√2
2. 12√2
3. 8√2
4. 10√2

Correct Answer: 6√2

Solution:

Step 1: Simplify √18 = 3√2 and √8 = 2√2. Step 2: Substitute: 2(3√2) + 3(2√2) = 6√2 + 6√2 = 12√2.