Multiple choice

(2√3 - 6)2

  1. 12 - 36 = -24

  2. 48 - 24√3

  3. -18

  4. 12√3 - 36
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Expand the square using (a - b)^2 = a^2 - 2ab + b^2. Here, (2*sqrt(3))^2 = 4*3 = 12, and 2 * (2*sqrt(3)) * 6 = 24*sqrt(3), and 6^2 = 36. So, 12 - 24*sqrt(3) + 36 = 48 - 24*sqrt(3).

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