Respuesta :

Answer:

[tex]5(a-4)[/tex]

Step-by-step explanation:

[tex]\frac{(5a^{2} -25a+20)}{ (a-1)}\\=\frac{5(a^{2} -5a+4)}{ (a-1)}\\\\=\frac{5(a-1)(a-4)}{ (a-1)}\\=5(a-4)[/tex]

(5a²-25a+20) ÷ (a-1)

= 5(a²-5a+4) ÷ (a-1)

= 5(a-1)(a-4) ÷ (a-1)

= 5(a-1)(a-4) / (a-1)

{ (a-1) is crossed out }

= 5(a-4)

Hope it helps!