Resposta:

x² + 10 + 24 = 0

delta = b² - 4 . a.c

delta = 10² - 4 .1 . 24

delta = 100 - 96

delta = 4

\/¨¨4 = 2

x = -b +ou-2/2

x = -10 +ou- 2/2

x´=-10+2/2

x´=-8/2 ⇒-4

x" = -8 -2/2

x" = -10/2 ⇒-5