Toán Lớp 8: x^4+2022x^2+2021x+2022
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Toán Lớp 8: x^4+2022x^2+2021x+2022
giúp mình với
Comments ( 2 )
x^4 + 2022x^2 +2021x+2022
=(x^4+x^3+x^2) + (2021x^2+2021x+2021) – (x^3-1)
=x^2(x^2+x+1)+2021(x^2+x+1) – (x-1)(x^2+x+1)
=(x^2+x+1)(x^2+2021 – x+1)
=(x^2+x+1)(x^2 – x+2022)
Mong cho lời giải hay nhất ❤️⭐️
