2X^4-X^3+2X^2+1因式分解怎么做

2025-06-26 16:50:30
推荐回答(1个)
回答1:

2X^4-X^3+2X^2+1=2X^4-2X^3+2X^2+x^3+1=2x^2(x^2-x+1)+(x+1)(x^2-x+1)=(x^2-x+1)(2x^2+x+1)