Trang chủ » Hỏi đáp » Môn Toán PTĐTTNT : `x^4+2022x^2+2021x+2022` 04/05/2024 PTĐTTNT : `x^4+2022x^2+2021x+2022`
x^4 +2022x^2 +2021x+2022 =x^4 +x^3 +x^2 -x^3 -x^2 -x +2022x^2 +2022x+2022 =x^2 (x^2 +x+1)-x(x^2 +x+1)+2022(x^2 +x+1) =(x^2 -x+2022)(x^2 +x+1) Trả lời
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