Respuesta :

X2-49(x-7) (x-7) (x7) (x-7) (x7) (x7)
X^2-49(x-7)(x-7)x^7(x-7)x^7x^7
=x^2-49x^21(x-7)^3

Answer:

B. (x+7)(x-7)

I just took the test and got it correct. Thx

Step-by-step explanation:

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