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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
Overview: 1 questions will be solved this time.Among them
☆1 equations
[ 1/1 Equation]
Work: Find the solution of equation 0.5*（6.62-x）*（（9-x）*8.82-21） = 650 .
Question type: Equation
Solution:Original question:
1 2 | ( | 331 50 | − | x | ) | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) | = | 650 |
| Left side of the equation = | 1 2 | × | 331 50 | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) | − | 1 2 | x | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) |
| = | 331 100 | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) | − | 1 2 | x | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) |
| = | 331 100 | ( | 9 | − | x | ) | × | 441 50 | − | 331 100 | × | 21 | − | 1 2 | x | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) |
| = | 145971 5000 | ( | 9 | − | x | ) | − | 6951 100 | − | 1 2 | x | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) |
| = | 145971 5000 | × | 9 | − | 145971 5000 | x | − | 6951 100 | − | 1 2 | x | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) |
| = | 1313739 5000 | − | 145971 5000 | x | − | 6951 100 | − | 1 2 | x | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) |
| = | 966189 5000 | − | 145971 5000 | x | − | 1 2 | x | ( | ( | 9 | − | x | ) | × | 441 50 | − | 21 | ) |
| = | 966189 5000 | − | 145971 5000 | x | − | 1 2 | x | ( | 9 | − | x | ) | × | 441 50 | + | 1 2 | x | × | 21 |
| = | 966189 5000 | − | 145971 5000 | x | − | 441 100 | x | ( | 9 | − | x | ) | + | 21 2 | x |
| = | 966189 5000 | − | 93471 5000 | x | − | 441 100 | x | ( | 9 | − | x | ) |
| = | 966189 5000 | − | 93471 5000 | x | − | 441 100 | x | × | 9 | + | 441 100 | x | x |
| = | 966189 5000 | − | 93471 5000 | x | − | 3969 100 | x | + | 441 100 | x | x |
| = | 966189 5000 | − | 291921 5000 | x | + | 441 100 | x | x |
966189 5000 | − | 291921 5000 | x | + | 441 100 | x | x | = | 650 |
The solution of the equation:
x1≈-5.520999 , keep 6 decimal places
x2≈18.760046 , keep 6 decimal places
There are 2 solution(s).
解程的详细方法请参阅：《方程的解法》