2a²b-8ab+8b,m²(x-y)+n²(y-x)因式分解要有过程
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![2a²b-8ab+8b,m²(x-y)+n²(y-x)因式分解要有过程](/uploads/image/z/4505580-36-0.jpg?t=2a%26%23178%3Bb-8ab%2B8b%2Cm%26%23178%3B%EF%BC%88x-y%29%2Bn%26%23178%3B%EF%BC%88y-x%29%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%E8%A6%81%E6%9C%89%E8%BF%87%E7%A8%8B)
2a²b-8ab+8b,m²(x-y)+n²(y-x)因式分解要有过程
2a²b-8ab+8b,m²(x-y)+n²(y-x)因式分解要有过程
2a²b-8ab+8b,m²(x-y)+n²(y-x)因式分解要有过程
2a²b-8ab+8b
=2b(a²-4a+4)
=2b(a-2)²
m²(x-y)+n²(y-x)
=m²(x-y)-n²(x-y)
=(x-y)(m²-n²)
=(x-y)(m+n)(m-n)
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