作业帮[数学]明天之前1.(x-1)(x+2)-42.(x+3)(x+1)-153.-x^2-x+204.-x^2-2x+8
来源：学生作业帮助网 编辑：作业帮 时间：2024/05/03 17:47:54
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[数学]明天之前1.(x-1)(x+2)-42.(x+3)(x+1)-153.-x^2-x+204.-x^2-2x+8
[数学]明天之前
1.(x-1)(x+2)-4
2.(x+3)(x+1)-15
3.-x^2-x+20
4.-x^2-2x+8
[数学]明天之前1.(x-1)(x+2)-42.(x+3)(x+1)-153.-x^2-x+204.-x^2-2x+8
1. （x-2)（x+3）
2.（x-2)(x+6)
3. (-x+4)(x+5)
4.(-x+4)(x+2)