Final answer:
To express √8 + 6√2 in the form a + b√2, simplify the expression to get 8√2.
Step-by-step explanation:
To express √8 + 6√2 in the form a + b√2, we need to simplify the expression. First, we can break down √8 into √(4 × 2) and simplify it to 2√2. Now we have 2√2 + 6√2. Combining like terms, we get (2 + 6)√2 or 8√2.
Learn more about Simplifying radicals