Respuesta :

abdoeslam98765

Step-by-step explanation:

the answer in the picture that i sent

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(a-b-2)(3a-3b-4) is your answer

Answer:

3(a-b)²-lo (a-b) +8

let (a-b) be x

3x²-10x+8

doing middle term factorization

3x²-6x-4x+8

3x(x-2)-4(x-2)

(x-2)(3x-4)

substituting value of x

(a-b-2)(3(a-b)-4)

(a-b-2)(3a-3b-4)