christianduke14
christianduke14
07-09-2016
Mathematics
contestada
What are the roots for 0=3x^2-4x-9
Respuesta :
mpanderla95
mpanderla95
07-09-2016
3x ^2 - 4x - 9 = 0
3x ^ 2 - 4x = 9
X( 3x - 4) = 9
X = 9
3x - 4 = 9
3x - 4 + 4 = 9 + 4
3x = 13
3x/3 = 13/3
X = 13/3.
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