simplymariex simplymariex
  • 07-12-2016
  • Mathematics
contestada

Solve x2 + 10x = −21.

Select one:
a. x = 7 and x = 3
b. x = −7 and x = −3
c. x = −7 and x = 3
d. x = 7 and x = −3

Respuesta :

Аноним Аноним
  • 07-12-2016
B is your answer. Hope this helps :)
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