Respuesta :

2-3x=28
-3x=28-2
-3x=26
X=-26/3

Answer:

Step-by-step explanation:

x²-3x-28=0

x²-7x+4x-28=0

x(x-7)+4(x-7)=0

(x-7)(x+4)=0

x=7,-4

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