因式分解:①-2xy-x²-y²②x²+2x+1③x²+6x+9④x²
来源:学生作业帮 编辑:搜搜做题作业网作业帮 分类:数学作业 时间:2024/07/08 14:45:28
因式分解:①-2xy-x²-y²②x²+2x+1③x²+6x+9④x²-4(x-1)⑤3a²-1
ab+12b²⑥(a-b)²+4ab⑦183²+183×34+17²
ab+12b²⑥(a-b)²+4ab⑦183²+183×34+17²
![因式分解:①-2xy-x²-y²②x²+2x+1③x²+6x+9④x²](/uploads/image/z/18856046-38-6.jpg?t=%E5%9B%A0%E5%BC%8F%E5%88%86%E8%A7%A3%EF%BC%9A%E2%91%A0-2xy-x%26%23178%3B-y%26%23178%3B%E2%91%A1x%26%23178%3B%2B2x%2B1%E2%91%A2x%26%23178%3B%2B6x%2B9%E2%91%A3x%26%23178%3B)
-(x+y)^2
2.(x+1)^2
(x+3)^2
(x-2)^2
(a+b)^2
(183+17)^2=40000
2.(x+1)^2
(x+3)^2
(x-2)^2
(a+b)^2
(183+17)^2=40000