因式分解x^3+(1-m)x^2-2mx+m^2
问题描述:
因式分解x^3+(1-m)x^2-2mx+m^2
如题
答
x³+(1-m)x²-2mx+m²=(x³-mx²)+(x²-2mx+m²)
=x²(x-m)+(x-m)²
=(x-m)(x²+x-m)
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