下面的题目能用因式分解的就请用因式分解.
来源:学生作业帮 编辑:大师作文网作业帮 分类:数学作业 时间:2024/11/15 13:12:18
下面的题目能用因式分解的就请用因式分解.
1、(X-1)²-4=0
2、9t²-(t-1)²=0
3、X²-5X-6=0
4、X²+12X+27=0
5、X(X-3)=0
6、(2X-1)(X+3)=4
1、(X-1)²-4=0
2、9t²-(t-1)²=0
3、X²-5X-6=0
4、X²+12X+27=0
5、X(X-3)=0
6、(2X-1)(X+3)=4
(x-1)²-4=0
x-1=±2
x=3或x=-1
9t²-(t-1)²=0
(3t+t-1)(3t-t+1)=0
t=1/4或t=-1/2
x²-5x-6=0
(x-6)(x+1)=0
x=6或x=-1
x²+12x+27=0
(x+3)(x+9)=0
x=-3或x=-9
x(x-3)=0
x=0或x=3
(2x-1)(x+3)=4
2x²+6x-x-3=4
2x²+5x-7=0
(x-1)(2x+7)=0
x=1或x=-7/2
x-1=±2
x=3或x=-1
9t²-(t-1)²=0
(3t+t-1)(3t-t+1)=0
t=1/4或t=-1/2
x²-5x-6=0
(x-6)(x+1)=0
x=6或x=-1
x²+12x+27=0
(x+3)(x+9)=0
x=-3或x=-9
x(x-3)=0
x=0或x=3
(2x-1)(x+3)=4
2x²+6x-x-3=4
2x²+5x-7=0
(x-1)(2x+7)=0
x=1或x=-7/2