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It supports mathematical functions (including trigonometric functions).
Current location：Mathematical operation > History of Mathematical Computation > Answer
Overview: 1 questions will be solved this time.Among them
☆1 equations
[ 1/1 Equation]
Work: Find the solution of equation 20000(x+1)10(1+2x) = 60000 .
Question type: Equation
Solution:Original question:
The equation is transformed into :
Remove the bracket on the left of the equation:
The equation is transformed into :
The solution of the equation:
x1≈-1.210977 , keep 6 decimal places
x2≈-0.289023 , keep 6 decimal places
There are 2 solution(s).
解程的详细方法请参阅：《方程的解法》
☆1 equations
[ 1/1 Equation]
Work: Find the solution of equation 20000(x+1)10(1+2x) = 60000 .
Question type: Equation
Solution:Original question:
| 20000 | ( | x | + | 1 | ) | × | 10 | ( | 1 | + | 2 | x | ) | = | 60000 |
| Left side of the equation = | 200000 | ( | x | + | 1 | ) | ( | 1 | + | 2 | x | ) |
| 200000 | ( | x | + | 1 | ) | ( | 1 | + | 2 | x | ) | = | 60000 |
| Left side of the equation = | 200000 | x | ( | 1 | + | 2 | x | ) | + | 200000 | × | 1 | ( | 1 | + | 2 | x | ) |
| = | 200000 | x | ( | 1 | + | 2 | x | ) | + | 200000 | ( | 1 | + | 2 | x | ) |
| = | 200000 | x | × | 1 | + | 200000 | x | × | 2 | x | + | 200000 | ( | 1 | + | 2 | x | ) |
| = | 200000 | x | + | 400000 | x | x | + | 200000 | ( | 1 | + | 2 | x | ) |
| = | 200000 | x | + | 400000 | x | x | + | 200000 | × | 1 | + | 200000 | × | 2 | x |
| = | 200000 | x | + | 400000 | x | x | + | 200000 | + | 400000 | x |
| = | 600000 | x | + | 400000 | x | x | + | 200000 |
| 600000 | x | + | 400000 | x | x | + | 200000 | = | 60000 |
The solution of the equation:
x1≈-1.210977 , keep 6 decimal places
x2≈-0.289023 , keep 6 decimal places
There are 2 solution(s).
解程的详细方法请参阅：《方程的解法》