2jslivelife 2jslivelife
  • 16-07-2021
  • Mathematics
contestada

Find the solutions of the quadratic equation x2 + 7x + 10 = 0.
Question 13 options:

A)

x = 2, 5

B)

x = –2, –5

C)

x = –7, –3

D)

x = 7, 3

Respuesta :

DWRead
DWRead DWRead
  • 16-07-2021

Answer:

Step-by-step explanation:

x² + 7x + 10 = 0

x = [-7 ± √(7² - 4·1·10)]/(2·1) = [-7 ± √9[/2 = [-7 ± 3]/2 = -2, -5

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