解方程(1)x²-36=0(2)(x+1)²-25=0(3)(x-2)²-1=0(4)(2x-1)²-x²=0
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解方程(1)x²-36=0(2)(x+1)²-25=0(3)(x-2)²-1=0(4)(2x-1)²-x²=0
解方程(1)x²-36=0(2)(x+1)²-25=0(3)(x-2)²-1=0(4)(2x-1)²-x²=0
解方程(1)x²-36=0(2)(x+1)²-25=0(3)(x-2)²-1=0(4)(2x-1)²-x²=0
(1)x²=36
x=6 or -6
(2)(x+1)²=25
(x+1)=±5
x=4 or -6
(3)(x-2)²=1
(x-2)=±1
x=3 or 1
(4)(2x-1)²=x²
4X^2-4x+1-x^2=0
3X^2-4X+1=0
(3x-1)(x-1)=0
x=1/3 or 1
(1)x²-36=0
x²=36
x1=6 x2=-6
(2)(x+1)²-25=0
(x+1)²=25
x+1=5 或 x+1=-5
x1=4 x2=-6
(3)(x-2)²-1=0
(x-2)²=1
x-2=1或x-2...
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(1)x²-36=0
x²=36
x1=6 x2=-6
(2)(x+1)²-25=0
(x+1)²=25
x+1=5 或 x+1=-5
x1=4 x2=-6
(3)(x-2)²-1=0
(x-2)²=1
x-2=1或x-2=-1
x1=3 x2=1
(4)(2x-1)²-x²=0
(2x-1)²=x²
2x-1=x或2x-1=-x
x=1或3x=1
x1=1 x2=1/3
收起
1题x=±6
2题x=﹣6,x=4
3题x=1,x=3
4题x=1,x=1/3
1)x=6或-6
2)x+1=5或-5 x=6或-4
3)x-2=1或-1 x=3或1
4)4x²-4x+1-x²=0 3x²-4x+1=0 (3x-1)(x-1)=0 x=1/3或x=1
(1)x=6或-6
(2)x=4或-6
(3)x=3或1
(4)x=1或1/3