1=2*x*x-1.36x+0.4624 求X的值

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1=2*x*x-1.36x+0.4624求X的值1=2*x*x-1.36x+0.4624求X的值1=2*x*x-1.36x+0.4624求X的值2x^2-1.36x+0.4624=1x^2-0.68x

1=2*x*x-1.36x+0.4624 求X的值
1=2*x*x-1.36x+0.4624 求X的值

1=2*x*x-1.36x+0.4624 求X的值
2x^2-1.36x+0.4624=1
x^2-0.68x+0.2312-0.5=0
x^2-0.68x-0.2688=0
(x-0.34)^2-0.34^2-0.2688=0
(x-0.34)^2=0.3844
x-0.34=0.62或x-0.34=-0.62
x=0.96或x=-0.28