Respuesta :

Answer:

[tex]x^4-90x^2-1000[/tex]

Step-by-step explanation:

[tex](x-10)(x+10)(x^2+10)\\\\(x^2-100)(x^2+10)\\\\x^4+10x^2-100x^2-1000\\\\x^4-90x^2-1000[/tex]