Respuesta :

it would be the second one.
4(2x^2 + 5y^2)(2x^2 - 5y^2)
choixongdong
16x^4 - 100y^4
= 4(4x^4 - 25 y^4)
= 4(2x^2 + 5y^2)(2x^2 - 5y^2)

answer is B. second choice
 4(2x^2 + 5y^2)(2x^2 - 5y^2)

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