一元二次方程:(1)p(p-2)=5 (2)(6x-1)^2-25=0 (3)X^2=2根号2x-1 (4)(x-1)(x-3)=15
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![一元二次方程:(1)p(p-2)=5 (2)(6x-1)^2-25=0 (3)X^2=2根号2x-1 (4)(x-1)(x-3)=15](/uploads/image/z/9299251-19-1.jpg?t=%E4%B8%80%E5%85%83%E4%BA%8C%E6%AC%A1%E6%96%B9%E7%A8%8B%3A%281%29p%28p-2%29%3D5+%282%29%286x-1%29%5E2-25%3D0+%283%29X%5E2%3D2%E6%A0%B9%E5%8F%B72x-1+%284%29%28x-1%29%28x-3%29%3D15)
一元二次方程:(1)p(p-2)=5 (2)(6x-1)^2-25=0 (3)X^2=2根号2x-1 (4)(x-1)(x-3)=15
一元二次方程:(1)p(p-2)=5 (2)(6x-1)^2-25=0 (3)X^2=2根号2x-1 (4)(x-1)(x-3)=15
一元二次方程:(1)p(p-2)=5 (2)(6x-1)^2-25=0 (3)X^2=2根号2x-1 (4)(x-1)(x-3)=15
1 p²-2p=5 2 (6x-1)²=25 4 x²-4x=12
p²-2p+1=5+1 ∴ 6x-1 =5或6x-1 =﹣5 x²-4x+4=...
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1 p²-2p=5 2 (6x-1)²=25 4 x²-4x=12
p²-2p+1=5+1 ∴ 6x-1 =5或6x-1 =﹣5 x²-4x+4=12+4
(p-1)²=6 x1=1 x2=﹣2/3 (x-2)²=16
∴p-1=根号6或p-1=﹣根号6 ∴x-2=4或x-2=﹣4
p1=根号6+1 p2=﹣根号6+1 x1=6 x2=﹣2
第三题看不懂
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