解下列法程.1.(x+1)²=252.(x-1/2)²=8/43.(3x-1)²=44.x²=225

解下列法程.1.(x+1)²=252.(x-1/2)²=8/43.(3x-1)²=44.x²=225
解下列法程.
1.(x+1)²=25
2.(x-1/2)²=8/4
3.(3x-1)²=4
4.x²=225

解下列法程.1.(x+1)²=252.(x-1/2)²=8/43.(3x-1)²=44.x²=225
x+1=5或-5
x=4或-6
x-1/2=√2或-√2
3x-1=2或-2
x=1或-1/3
x=15或-15