kiyokosuka77
kiyokosuka77 kiyokosuka77
  • 15-03-2021
  • Mathematics
contestada

Solve for x by completing the square. Round ur answer to the nearest thousandth. X^2+6x-3=0

Respuesta :

mhanifa
mhanifa mhanifa
  • 16-03-2021

Answer:

  • x = {2.196,  -8.196}

Step-by-step explanation:

  • x² + 6x - 3 = 0
  • x² + 2*3*x + 3² - 3 = 3²
  • (x + 3)² = 12
  • x + 3 = ± √12
  • x + 3 = ± 2√3
  • x = 2.196, x = -8.196
Answer Link
Аноним Аноним
  • 16-03-2021

Answer:

. X^2+6x-3=0

x²+6x+9-9-3=0

(x+3)²=12

x+3=√12

x=√12-3=0.46410161513

Answer Link

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