分解因式:x6-y6
分解因式:x6-y6
解:原式=(x^3-y^3)(x^3+y^3) (平方差公式)
=(x-y)(x^2+xy+y^2)(x+y)(x^2-xy+y^2) (分别用立方和,立方差公式)
望采纳,谢谢!
(x+y)(x-y)(x²-xy+y²)(x²+xy+y²)
x^6-y^6
=(x³)²-(y³)²
=(x³+y³)(x³-y³)
=(x+y)(x²-xy+y²)(x-y)(x²+xy+y²)
x^6-y^6
=(x^3+y^3)(x^3-y^3)
=(x+y)(x^2-xy+y^2)(x-y)(x^2+xy+y^2)
x^6-y^6
=(x³)²-(y³)²
=(x³+y³)(x³-y³)
=(x+y)(x-y)(x²-xy+y²)(x²+xy+y²)
上一篇:请数学老师进来回答问题,谢谢!
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