Respuesta :

Answer:

4x²y² (2x²y² - 7xy + 1)

Step-by-step explanation:

8[tex]x^{4}[/tex][tex]y^{4}[/tex] - 28x³y³ + 4x²y² ← factor out 4x²y² from each term

= 4x²y² (2x²y² - 7xy + 1)

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