mayzapro mayzapro
  • 21-04-2020
  • Mathematics
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Rewrite the equation by completing the square 4x^2 +28x +49=0

Respuesta :

QueenLeilani38
QueenLeilani38 QueenLeilani38
  • 21-04-2020

Answer:  −3.5

Step-by-step explanation:

Standard form:

4x2 + 28x + 49 = 0

Factorization:

(2x + 7)2 = 0

Answer equation: 2x + 7 = 0  ⇒ x1 = x2 = −7  over 2   = −3.5

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