Multiple choice

2√80 - √45 + 2√63 - √5 + 18√7

  1. -√2 + 18√7

  2. -√5 + 6√7

  3. -√2 + 6√7

  4. -√5 + 28√7
Reveal answer Fill a bubble to check yourself
D Correct answer

Keep practicing — related questions