分组分解法:3a²-3ab+2ab-2b²-a+bax²+bx²+bx+ax+cx²+cxx²-12xy+36y²-6x+36y+8
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 11:13:23
![分组分解法:3a²-3ab+2ab-2b²-a+bax²+bx²+bx+ax+cx²+cxx²-12xy+36y²-6x+36y+8](/uploads/image/z/3002552-8-2.jpg?t=%E5%88%86%E7%BB%84%E5%88%86%E8%A7%A3%E6%B3%95%EF%BC%9A3a%26%23178%3B-3ab%2B2ab-2b%26%23178%3B-a%2Bbax%26%23178%3B%2Bbx%26%23178%3B%2Bbx%2Bax%2Bcx%26%23178%3B%2Bcxx%26%23178%3B-12xy%2B36y%26%23178%3B-6x%2B36y%2B8)
分组分解法:3a²-3ab+2ab-2b²-a+bax²+bx²+bx+ax+cx²+cxx²-12xy+36y²-6x+36y+8
分组分解法:3a²-3ab+2ab-2b²-a+b
ax²+bx²+bx+ax+cx²+cx
x²-12xy+36y²-6x+36y+8
分组分解法:3a²-3ab+2ab-2b²-a+bax²+bx²+bx+ax+cx²+cxx²-12xy+36y²-6x+36y+8
前二个都不难,多想想,最后那个要用到配平方,答案是(x-6y-2)(x-6y-4)