Multiple choice

What is (4n - 1) (4n - 1) in expanded form?

  1. 16n2 - 8n + 1

  2. 8n2 - 16n + 1

  3. 16n2 + 8n - 1

  4. 16n2 - 8n - 1

Reveal answer Fill a bubble to check yourself
A Correct answer
Explanation

(4n - 1) (4n - 1) = 16n2 - 4n - 4n + 1 (Using Foil) = 16n2 - 8n + 1