因式分解 急,1,x²y+xy²-xy 2,-5m³n-10m²n²+5m3,m(a-b)-n(b-a)4,m(m-n)²-n(n-m)²5,10a(x-y)²-5m(y-x)
来源:学生作业帮助网 编辑:作业帮 时间:2024/08/10 05:23:02
![因式分解 急,1,x²y+xy²-xy 2,-5m³n-10m²n²+5m3,m(a-b)-n(b-a)4,m(m-n)²-n(n-m)²5,10a(x-y)²-5m(y-x)](/uploads/image/z/14603698-10-8.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3+%E6%80%A5%2C1%2Cx%26%23178%3By%2Bxy%26%23178%3B-xy+2%2C-5m%26%23179%3Bn-10m%26%23178%3Bn%26%23178%3B%2B5m3%2Cm%EF%BC%88a-b%29-n%28b-a%294%2Cm%EF%BC%88m-n%29%26%23178%3B-n%EF%BC%88n-m%29%26%23178%3B5%2C10a%EF%BC%88x-y%29%26%23178%3B-5m%EF%BC%88y-x%29)
x͐J1_ H2C[:2{tFB/ѷwihn97˩fxzm7X*兞͗^:N
rdSJ !
U],:U4ȏ((KԎ`,b\:ظ'q7?.Sr^8A !" q2!G\QZ#*Uv0hɎ@Rw&t
/
因式分解 急,1,x²y+xy²-xy 2,-5m³n-10m²n²+5m3,m(a-b)-n(b-a)4,m(m-n)²-n(n-m)²5,10a(x-y)²-5m(y-x)
因式分解 急,
1,x²y+xy²-xy
2,-5m³n-10m²n²+5m
3,m(a-b)-n(b-a)
4,m(m-n)²-n(n-m)²
5,10a(x-y)²-5m(y-x)
因式分解 急,1,x²y+xy²-xy 2,-5m³n-10m²n²+5m3,m(a-b)-n(b-a)4,m(m-n)²-n(n-m)²5,10a(x-y)²-5m(y-x)
1、原式=xy(x+y-1)
2、原式=5m(-m^2-2mn^2+1)
3、原式=(a-b)(m+n)
4、原式=(m-n)^2(m-n)=(m-n)^3
5、原式=5(y-x)[2a(y-x)-m]=5(y-x)(2ay-2ax-m)