Find the square root of 9x^2 + 12xy + 4y^2.

  1. pm(3x - 2y)
  2. pm(3x + 4y)
  3. pm(3x + 2y)
  4. pm(9x + 4y)
Answer

C) pm(3x + 2y)

9x^2 + 12xy + 4y^2 = (3x + 2y)^2. SLO M-09-A-20 · Understanding

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