Câu hỏi :

d) x+20225x+20223=x2+1011.

* Đáp án

* Hướng dẫn giải

d) x+20225x+20223=x2+1011

x+20225x+20223=x2+20222

x+20225x+20223=x+20222

x+20225x+20223x+20222=0

x+2022.151312=0

x + 2022 = 0 (vì 1513120)

x = –2022.

Vậy x = –2022.

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