Respuesta :

mhanifa

Answer:

  • r = 4, s = 3, t = 5

Step-by-step explanation:

Solving quadratic equation:

  • 5x² - 8x + 5 = 0
  • x = (-b ± √b²-4ac)/2a
  • x = (8 ± √8²-4*5*5)/2*5
  • x = (8 ± √64-100)/10
  • x = (8 ±√-36)/10
  • x = (8 ± 6i)/10
  • x = (4 ± 3i)/5

x = (r ± si)/t

r = 4, s = 3, t = 5

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