因式分解:a³-10a²+b³;a²b-2ab²+b³4x²-36x+81若x²+mx+9=(x+n)²,则m= n=
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/04 02:08:39
![因式分解:a³-10a²+b³;a²b-2ab²+b³4x²-36x+81若x²+mx+9=(x+n)²,则m= n=](/uploads/image/z/2120175-63-5.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%3Aa%26%23179%3B-10a%26%23178%3B%2Bb%26%23179%3B%3Ba%26%23178%3Bb-2ab%26%23178%3B%2Bb%26%23179%3B4x%26%23178%3B-36x%2B81%E8%8B%A5x%26%23178%3B%2Bmx%2B9%3D%EF%BC%88x%2Bn%EF%BC%89%26%23178%3B%EF%BC%8C%E5%88%99m%3D+n%3D)
因式分解:a³-10a²+b³;a²b-2ab²+b³4x²-36x+81若x²+mx+9=(x+n)²,则m= n=
因式分解:a³-10a²+b³;a²b-2ab²+b³
4x²-36x+81
若x²+mx+9=(x+n)²,则m= n=
因式分解:a³-10a²+b³;a²b-2ab²+b³4x²-36x+81若x²+mx+9=(x+n)²,则m= n=
a³-10a²+b³,确定题目没问题?
a²b-2ab²+b³=b(a²-2ab+b²)=b(a-b)²
4x²-36x+81=(2x-9)²
4x²-36x+81=(2x-9)^2
a²b-2ab²+b³=b(a²-2ab+b²)=b(a-b)²
4x²-36x+81=(2x-9)²