2x²+5xy+2y²+3x+3y-9 6x²+13xy+6y²+5x+5y+1
来源:学生作业帮助网 编辑:作业帮 时间:2024/06/24 11:19:17
![2x²+5xy+2y²+3x+3y-9 6x²+13xy+6y²+5x+5y+1](/uploads/image/z/964638-54-8.jpg?t=2x%26%23178%3B%2B5xy%2B2y%26%23178%3B%2B3x%2B3y-9+6x%26%23178%3B%2B13xy%2B6y%26%23178%3B%2B5x%2B5y%2B1)
2x²+5xy+2y²+3x+3y-9 6x²+13xy+6y²+5x+5y+1
2x²+5xy+2y²+3x+3y-9 6x²+13xy+6y²+5x+5y+1
2x²+5xy+2y²+3x+3y-9 6x²+13xy+6y²+5x+5y+1
2x²+5xy+2y²+3x-3y-9
=(2x+y)(x+2y)+3(x-y)-9
=(2x+y-3)(x+2y+3)
6x²+13xy+6y²+5x+5y+1
=(2x+3y)(3x+2y)+5(x+y)+1
=(2x+3y+1)(3x+2y+1)