Respuesta :

Answer:

2x+12

Step-by-step explanation:

2x+3(x-2)-3(x-6)

2x+3x-6-3x+18

2x-6+18

2x+12

2x^2-4x+3x-6-3x-18
2x^2-4x-24

x =(2-√52)/2=1-√ 13 = -2.606
x =(2+√52)/2=1+√ 13 = 4.606
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