eliannagutierrez eliannagutierrez
  • 26-01-2021
  • Mathematics
contestada

complete the square

2x^2-206=-20x

Respuesta :

hxneycxstard
hxneycxstard hxneycxstard
  • 26-01-2021

Answer: Here ya go! I hope this helps you out!

Ver imagen hxneycxstard
Answer Link
mhanifa
mhanifa mhanifa
  • 27-01-2021

Answer:

  • x = - 5 ± 8√2

Step-by-step explanation:

  • 2x² - 206 = -20x
  • x² - 103 = -10x
  • x² + 10x = 103
  • x² + 2*5x + 5² = 103 + 25
  • (x + 5)² = 128
  • √(x + 5)² = √128
  • x + 5 = ± 8√2
  • x = - 5 ± 8√2
Answer Link

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