Question

Simplify: √8 + √98 + √72

Answer 1

C

Explanation:

√8 + √98 + √72

√(4×2) + √(49×2) + √(36×2)

2√2 + 7√2 + 6√2

15√2

Answer C.

Answer 2

Simplify √8 to 2√2

2√2 + √98 + √72

Simplify √98 to 7√2

2√2 + 7√2 + √72

Simplify √72 to 6√2

Simplify

= 15√2