x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2 x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2
来源:学生作业帮助网 编辑:作业帮 时间:2024/07/05 15:49:19
![x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2 x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2](/uploads/image/z/1673172-36-2.jpg?t=x%26%23178%3B-2%EF%BC%881%2B%E2%88%9A2%EF%BC%89x%2B2%E2%88%9A2%3D0+3x%282x-1%29%3D4x%2B2+x%26%23178%3B-2%EF%BC%881%2B%E2%88%9A2%EF%BC%89x%2B2%E2%88%9A2%3D0+3x%282x-1%29%3D4x%2B2)
x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2 x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2
x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2
x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2
x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2 x²-2(1+√2)x+2√2=0 3x(2x-1)=4x+2
x²-2(1+√2)x+2√2=0
x²-2(1+√2)x+(1+√2)²=3
[x-(1+√2)]²=3
x-(1+√2)=±√3
x=1+√2±√3
3x(2x-1)=4x+2
6x²-3x-4x=2
6x²-7x=2
x²-7x/6=1/3
x²-7x/6+(7/12)²=1/3+49/144
(x-7/12)²=97/144
x-7/12=±(√97)/12
x=(7±√97)/12