Hileyberry
Hileyberry
16-03-2017
Mathematics
contestada
Help please, how would I round?
Respuesta :
Аноним
Аноним
16-03-2017
2x² + 12x + 8 = 0
⇒ x² + 6x + 4 = 0
x = -6 + √(36 - 16) / 2 = -6+2√5 / 2 = -3+√5
x = -6 - √(36 - 16) / 2 = -6-2√5 / 2 = -3-√5
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