makaylaweinrich23 makaylaweinrich23
  • 23-02-2021
  • Mathematics
contestada

If using the method of completing the square to solve the quadratic equation
x²– 20x + 24 = 0, which number would have to be added to "complete the
square"?

Respuesta :

faisal4craft7 faisal4craft7
  • 23-02-2021
x²-20x + 24 = 0

x²-20x = 24

x²-20x + 100 = 24 + 100

(x-10)² = 76

x = -2 √(19) + 10
x = 2 √(19) + 10
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