分解因式(a-b)²-2ab(b-a)和10a²(x-y)²-5a(y-x)²还有(3x+y)(x-2y)-2x(2y-x)和3x的m次方y的n+2次方-七分之一x的m-1次方y的n+1次方
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 07:23:27
![分解因式(a-b)²-2ab(b-a)和10a²(x-y)²-5a(y-x)²还有(3x+y)(x-2y)-2x(2y-x)和3x的m次方y的n+2次方-七分之一x的m-1次方y的n+1次方](/uploads/image/z/6970900-4-0.jpg?t=%E5%88%86%E8%A7%A3%E5%9B%A0%E5%BC%8F%28a-b%29%26%23178%3B-2ab%28b-a%29%E5%92%8C10a%26%23178%3B%EF%BC%88x-y%EF%BC%89%26%23178%3B-5a%EF%BC%88y-x%EF%BC%89%26%23178%3B%E8%BF%98%E6%9C%89%283x%2By%29%28x-2y%29-2x%282y-x%29%E5%92%8C3x%E7%9A%84m%E6%AC%A1%E6%96%B9y%E7%9A%84n%2B2%E6%AC%A1%E6%96%B9-%E4%B8%83%E5%88%86%E4%B9%8B%E4%B8%80x%E7%9A%84m-1%E6%AC%A1%E6%96%B9y%E7%9A%84n%2B1%E6%AC%A1%E6%96%B9)
分解因式(a-b)²-2ab(b-a)和10a²(x-y)²-5a(y-x)²还有(3x+y)(x-2y)-2x(2y-x)和3x的m次方y的n+2次方-七分之一x的m-1次方y的n+1次方
分解因式(a-b)²-2ab(b-a)和10a²(x-y)²-5a(y-x)²
还有(3x+y)(x-2y)-2x(2y-x)和3x的m次方y的n+2次方-七分之一x的m-1次方y的n+1次方
分解因式(a-b)²-2ab(b-a)和10a²(x-y)²-5a(y-x)²还有(3x+y)(x-2y)-2x(2y-x)和3x的m次方y的n+2次方-七分之一x的m-1次方y的n+1次方
分解因式(a-b)²-2ab(b-a)
=(a-b)(a-b+2ab);
10a²(x-y)²-5a(y-x)²
=5a(x-y)²(2a-1);
(3x+y)(x-2y)-2x(2y-x)
=(x-2y)(3x+y+2x)
=3(x+y)(x-2y);
3x的m次方y的n+2次方-七分之一x的m-1次方y的n+1次方
=x的m-1次方y的n+1次方(3xy-1/7);
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