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On line Solution of Monovariate Equation：
Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
It supports equations that contain mathematical functions.
Input any unary equation directly, and then click the "Next" button to obtain the solution of the equation.
It supports equations that contain mathematical functions.
Current location：Equations > Monovariate Equation > The history of univariate equation calculation > Answer
Bad input!Please check agin.
以下题目输入有误或有空行，请仔细检查，改正后再计算：
1==>(149): (10-1)x^2-2(18.29+18.42+19.70+20.60+19.85+19.73+20.32+20.21+20.71+20.68)x-(18.29+18.42+19.70+20.60+19.85+19.73+20.32+20.21+20.71+20.68)^2+18.29^2+18.42^2+19.70^2+20.60^2+19.85^2+19.73^2+20.32^2+20.21^2+20.71^2+20.68^2-0.689*10=0 注：这道题最多 150 个字符。