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    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 (76.38-9.6)/x+(80-19.2)/x/x+(67.6-28.8)/x/x/x+(89.02-38.4)/x/x/x/x-260 = 0 .
    Question type: Equation
    Solution:Original question:
     (
3819
50
48
5
) ÷ x + (80
96
5
) ÷ x ÷ x + (
338
5
144
5
) ÷ x ÷ x ÷ x + (
4451
50
192
5
) ÷ x ÷ x = 0
     Multiply both sides of the equation by: x
     (
3819
50
48
5
) + (80
96
5
) ÷ 1 ÷ x × 1 + (
338
5
144
5
) ÷ 1 ÷ x ÷ x × 1 + (
4451
50
192
5
) ÷ 1 = 0
    Remove a bracket on the left of the equation::
     
3819
50
48
5
+ (80
96
5
) ÷ 1 ÷ x × 1 + (
338
5
144
5
) ÷ 1 ÷ x ÷ x × 1 + (
4451
50
192
5
) = 0
    The equation is reduced to :
     
3819
50
48
5
+ (80
96
5
) × 1 ÷ x + (
338
5
144
5
) × 1 ÷ x ÷ x + (
4451
50
192
5
) × 1 ÷ x = 0
    The equation is reduced to :
     
3339
50
+ (80
96
5
) × 1 ÷ x + (
338
5
144
5
) × 1 ÷ x ÷ x + (
4451
50
192
5
) × 1 ÷ x ÷ x = 0
     Multiply both sides of the equation by: x
     
3339
50
x + (80
96
5
) × 1 + (
338
5
144
5
) × 1 ÷ 1 ÷ x × 1 + (
4451
50
192
5
) × 1 ÷ 1 = 0
    Remove a bracket on the left of the equation:
     
3339
50
x + 80 × 1
96
5
× 1 + (
338
5
144
5
) × 1 ÷ 1 ÷ x × 1 + (
4451
50
192
5
) = 0
    The equation is reduced to :
     
3339
50
x + 80
96
5
+ (
338
5
144
5
) × 1 ÷ x + (
4451
50
192
5
) × 1 ÷ x ÷ x 260 = 0
    The equation is reduced to :
     
3339
50
x +
304
5
+ (
338
5
144
5
) × 1 ÷ x + (
4451
50
192
5
) × 1 ÷ x ÷ x 260 x = 0
     Multiply both sides of the equation by: x
     
3339
50
x x +
304
5
x + (
338
5
144
5
) × 1 + (
4451
50
192
5
) × 1 ÷ 1 ÷ x × 1 = 0
    Remove a bracket on the left of the equation:
     
3339
50
x x +
304
5
x +
338
5
× 1
144
5
× 1 + (
4451
50
192
5
) × 1 ÷ 1 = 0
    The equation is reduced to :
     
3339
50
x x +
304
5
x +
338
5
144
5
+ (
4451
50
192
5
) × 1 ÷ x 260 x = 0
    The equation is reduced to :
     
3339
50
x x +
304
5
x +
194
5
+ (
4451
50
192
5
) × 1 ÷ x 260 x x = 0
     Multiply both sides of the equation by: x
     
3339
50
x x x +
304
5
x x +
194
5
x + (
4451
50
192
5
) × 1260 = 0
    Remove a bracket on the left of the equation:
     
3339
50
x x x +
304
5
x x +
194
5
x +
4451
50
× 1
192
5
= 0
    The equation is reduced to :
     
3339
50
x x x +
304
5
x x +
194
5
x +
4451
50
192
5
260 = 0
    The equation is reduced to :
     
3339
50
x x x +
304
5
x x +
194
5
x +
2531
50
260 x = 0

    The solution of the equation:
        x1≈-0.604176 , keep 6 decimal places
        x2≈0.927070 , keep 6 decimal places
    
    There are 2 solution(s).


解程的详细方法请参阅:《方程的解法》



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