4.36*u^2-240*u+2100=0

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Solution for 4.36*u^2-240*u+2100=0 equation:


Simplifying
4.36u2 + -240u + 2100 = 0

Reorder the terms:
2100 + -240u + 4.36u2 = 0

Solving
2100 + -240u + 4.36u2 = 0

Solving for variable 'u'.

Begin completing the square.  Divide all terms by
4.36 the coefficient of the squared term: 

Divide each side by '4.36'.
481.6513761 + -55.04587156u + u2 = 0

Move the constant term to the right:

Add '-481.6513761' to each side of the equation.
481.6513761 + -55.04587156u + -481.6513761 + u2 = 0 + -481.6513761

Reorder the terms:
481.6513761 + -481.6513761 + -55.04587156u + u2 = 0 + -481.6513761

Combine like terms: 481.6513761 + -481.6513761 = 0.0000000
0.0000000 + -55.04587156u + u2 = 0 + -481.6513761
-55.04587156u + u2 = 0 + -481.6513761

Combine like terms: 0 + -481.6513761 = -481.6513761
-55.04587156u + u2 = -481.6513761

The u term is -55.04587156u.  Take half its coefficient (-27.52293578).
Square it (757.5119940) and add it to both sides.

Add '757.5119940' to each side of the equation.
-55.04587156u + 757.5119940 + u2 = -481.6513761 + 757.5119940

Reorder the terms:
757.5119940 + -55.04587156u + u2 = -481.6513761 + 757.5119940

Combine like terms: -481.6513761 + 757.5119940 = 275.8606179
757.5119940 + -55.04587156u + u2 = 275.8606179

Factor a perfect square on the left side:
(u + -27.52293578)(u + -27.52293578) = 275.8606179

Calculate the square root of the right side: 16.609052288

Break this problem into two subproblems by setting 
(u + -27.52293578) equal to 16.609052288 and -16.609052288.

Subproblem 1

u + -27.52293578 = 16.609052288 Simplifying u + -27.52293578 = 16.609052288 Reorder the terms: -27.52293578 + u = 16.609052288 Solving -27.52293578 + u = 16.609052288 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '27.52293578' to each side of the equation. -27.52293578 + 27.52293578 + u = 16.609052288 + 27.52293578 Combine like terms: -27.52293578 + 27.52293578 = 0.00000000 0.00000000 + u = 16.609052288 + 27.52293578 u = 16.609052288 + 27.52293578 Combine like terms: 16.609052288 + 27.52293578 = 44.131988068 u = 44.131988068 Simplifying u = 44.131988068

Subproblem 2

u + -27.52293578 = -16.609052288 Simplifying u + -27.52293578 = -16.609052288 Reorder the terms: -27.52293578 + u = -16.609052288 Solving -27.52293578 + u = -16.609052288 Solving for variable 'u'. Move all terms containing u to the left, all other terms to the right. Add '27.52293578' to each side of the equation. -27.52293578 + 27.52293578 + u = -16.609052288 + 27.52293578 Combine like terms: -27.52293578 + 27.52293578 = 0.00000000 0.00000000 + u = -16.609052288 + 27.52293578 u = -16.609052288 + 27.52293578 Combine like terms: -16.609052288 + 27.52293578 = 10.913883492 u = 10.913883492 Simplifying u = 10.913883492

Solution

The solution to the problem is based on the solutions from the subproblems. u = {44.131988068, 10.913883492}

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