Respuesta :

XconfidentialY

Answer: Is this completing a a square?

Step-by-step explanation:

mhanifa

Answer:

  • 9/4

Step-by-step explanation:

The perfect square identity is:

  • (a + b)² = a² + 2ab + b²

Apply to the given equation to complete the square:

  • x² + 3x = 6
  • x² + 2*x*(3/2) + (3/2² = 6 + (3/2)²
  • (x + 3/2)² = 6 + 9/4
  • (x + 3/2)² = 8 1/4

Required number is 9/4

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