Multiple choice

Simplify 2√3 + 2√7 + 2√3 - 2√7

  1. 4√7

  2. 4√3 -√7

  3. 2√3 + 2√7

  4. 4√3
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D Correct answer
Explanation

Group the like terms: (2 * sqrt(3) + 2 * sqrt(3)) + (2 * sqrt(7) - 2 * sqrt(7)) = 4 * sqrt(3) + 0 = 4 * sqrt(3).

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