因式分解 m(a+b)²-n(b+a) 2a(y-z)-3b(z-y) x(x-y)-y(y-x)²m(a+b)²-n(b+a)2a(y-z)-3b(z-y)x(x-y)-y(y-x)²我对这个不太能掌握一有难的就死脑筋了还能不能帮我总结一下方法..
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![因式分解 m(a+b)²-n(b+a) 2a(y-z)-3b(z-y) x(x-y)-y(y-x)²m(a+b)²-n(b+a)2a(y-z)-3b(z-y)x(x-y)-y(y-x)²我对这个不太能掌握一有难的就死脑筋了还能不能帮我总结一下方法..](/uploads/image/z/3157078-22-8.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3+m%28a%2Bb%29%26%23178%3B-n%28b%2Ba%29+2a%EF%BC%88y-z%EF%BC%89-3b%EF%BC%88z-y%EF%BC%89+x%EF%BC%88x-y%EF%BC%89-y%EF%BC%88y-x%EF%BC%89%26%23178%3Bm%28a%2Bb%29%26%23178%3B-n%28b%2Ba%292a%EF%BC%88y-z%EF%BC%89-3b%EF%BC%88z-y%EF%BC%89x%EF%BC%88x-y%EF%BC%89-y%EF%BC%88y-x%EF%BC%89%26%23178%3B%E6%88%91%E5%AF%B9%E8%BF%99%E4%B8%AA%E4%B8%8D%E5%A4%AA%E8%83%BD%E6%8E%8C%E6%8F%A1%E4%B8%80%E6%9C%89%E9%9A%BE%E7%9A%84%E5%B0%B1%E6%AD%BB%E8%84%91%E7%AD%8B%E4%BA%86%E8%BF%98%E8%83%BD%E4%B8%8D%E8%83%BD%E5%B8%AE%E6%88%91%E6%80%BB%E7%BB%93%E4%B8%80%E4%B8%8B%E6%96%B9%E6%B3%95..)
因式分解 m(a+b)²-n(b+a) 2a(y-z)-3b(z-y) x(x-y)-y(y-x)²m(a+b)²-n(b+a)2a(y-z)-3b(z-y)x(x-y)-y(y-x)²我对这个不太能掌握一有难的就死脑筋了还能不能帮我总结一下方法..
因式分解 m(a+b)²-n(b+a) 2a(y-z)-3b(z-y) x(x-y)-y(y-x)²
m(a+b)²-n(b+a)
2a(y-z)-3b(z-y)
x(x-y)-y(y-x)²
我对这个不太能掌握
一有难的就死脑筋了
还能不能帮我总结一下方法..
因式分解 m(a+b)²-n(b+a) 2a(y-z)-3b(z-y) x(x-y)-y(y-x)²m(a+b)²-n(b+a)2a(y-z)-3b(z-y)x(x-y)-y(y-x)²我对这个不太能掌握一有难的就死脑筋了还能不能帮我总结一下方法..
m(a+b)^2-n(b+a)
=(a+b)(ma+mb-n)
2a(y-z)-3b(z-y)
=(y-z)(2a+3b)
x(x-y)-y(y-x)^2
=(x-y)(x-xy+y^2)
分解因式有以下几种方法:提取公因式法,分组分解法,配方法,十字相乘法等