﹙x²-y²﹚﹙x+y﹚-﹙x-y﹚³ 用公式法 因式分解
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﹙x²-y²﹚﹙x+y﹚-﹙x-y﹚³ 用公式法 因式分解
![﹙x²-y²﹚﹙x+y﹚-﹙x-y﹚³ 用公式法 因式分解](/uploads/image/z/16426583-71-3.jpg?t=%EF%B9%99x%26%23178%3B%EF%BC%8Dy%26%23178%3B%EF%B9%9A%EF%B9%99x%EF%BC%8By%EF%B9%9A%EF%BC%8D%EF%B9%99x%EF%BC%8Dy%EF%B9%9A%26%23179%3B+%E7%94%A8%E5%85%AC%E5%BC%8F%E6%B3%95+%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3)
原式=(x+y)²(x-y)-(x-y)³
=(x-y)[(x+y)²-(x-y)²]
=(x-y)(x+y+x-y)(x+y-x+y)
=4xy(x-y)
=(x-y)[(x+y)²-(x-y)²]
=(x-y)(x+y+x-y)(x+y-x+y)
=4xy(x-y)
因式分解:﹙x+y﹚²+﹙x+y﹚-20=
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因式分解:(x+y﹚的四次方+﹙x²-y²﹚²+﹙x-y﹚的四次方
x(x-y)-y(y-x)+(x-y)²因式分解
49﹙x-y﹚²-25﹙x+y﹚²怎么因式分解?
因式分解:(x³-xy²﹚-x+y
因式分解.x²y-2xy²+3xy.x²-﹙x+b﹚².x﹙x-3﹚-y﹙3-x
因式分解x²(x-2y)+y²(2y-x)
﹙x+y﹚﹙x-y﹚-﹙x-y﹚²
[(x+2y)²-﹙x-y﹚﹙x+2y﹚-5y²]÷﹙2y﹚²等于多少
因式分解:x²(x-y)+(y-x)
(x+3y)/﹙x²-y²﹚-(x+2y)/(x²-y²)+﹙2x-3y﹚/﹙x