is1841969p294u5
is1841969p294u5
21-02-2018
Mathematics
contestada
Factor completely 3x2-9x-12
Respuesta :
Banabanana
Banabanana
21-02-2018
3x
²
- 9x - 12 =
3(x
²
- 3x
- 4
) =
3(x
²
+ x - 4x
- 4
) =
3(x(x+1)-4(x+1)) =
3(x+1)(x-4)
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