Respuesta :

sammy624

Step-by-step explanation:

[tex] {5a}^{2} - 30a + 45[/tex]

[tex]5( {a}^{2} - 6a + 9)[/tex]

5(a-3)(a-3)

5(a-3)^2

[tex] {2x}^{5} + {x}^{4} - 2x - 1[/tex]

X^4(2x+1) - (2x+1)

(x^4-1)(2x+1)

(x^2-1)(x^2+1)(2x+1)

(x-1)(x-1)(x^2+1)(2x+1)

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