4.09x^2-10.82x+4.01=0

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Solution for 4.09x^2-10.82x+4.01=0 equation:


Simplifying
4.09x2 + -10.82x + 4.01 = 0

Reorder the terms:
4.01 + -10.82x + 4.09x2 = 0

Solving
4.01 + -10.82x + 4.09x2 = 0

Solving for variable 'x'.

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

Divide each side by '4.09'.
0.9804400978 + -2.645476773x + x2 = 0

Move the constant term to the right:

Add '-0.9804400978' to each side of the equation.
0.9804400978 + -2.645476773x + -0.9804400978 + x2 = 0 + -0.9804400978

Reorder the terms:
0.9804400978 + -0.9804400978 + -2.645476773x + x2 = 0 + -0.9804400978

Combine like terms: 0.9804400978 + -0.9804400978 = 0.0000000000
0.0000000000 + -2.645476773x + x2 = 0 + -0.9804400978
-2.645476773x + x2 = 0 + -0.9804400978

Combine like terms: 0 + -0.9804400978 = -0.9804400978
-2.645476773x + x2 = -0.9804400978

The x term is -2.645476773x.  Take half its coefficient (-1.322738387).
Square it (1.749636840) and add it to both sides.

Add '1.749636840' to each side of the equation.
-2.645476773x + 1.749636840 + x2 = -0.9804400978 + 1.749636840

Reorder the terms:
1.749636840 + -2.645476773x + x2 = -0.9804400978 + 1.749636840

Combine like terms: -0.9804400978 + 1.749636840 = 0.7691967422
1.749636840 + -2.645476773x + x2 = 0.7691967422

Factor a perfect square on the left side:
(x + -1.322738387)(x + -1.322738387) = 0.7691967422

Calculate the square root of the right side: 0.877038621

Break this problem into two subproblems by setting 
(x + -1.322738387) equal to 0.877038621 and -0.877038621.

Subproblem 1

x + -1.322738387 = 0.877038621 Simplifying x + -1.322738387 = 0.877038621 Reorder the terms: -1.322738387 + x = 0.877038621 Solving -1.322738387 + x = 0.877038621 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.322738387' to each side of the equation. -1.322738387 + 1.322738387 + x = 0.877038621 + 1.322738387 Combine like terms: -1.322738387 + 1.322738387 = 0.000000000 0.000000000 + x = 0.877038621 + 1.322738387 x = 0.877038621 + 1.322738387 Combine like terms: 0.877038621 + 1.322738387 = 2.199777008 x = 2.199777008 Simplifying x = 2.199777008

Subproblem 2

x + -1.322738387 = -0.877038621 Simplifying x + -1.322738387 = -0.877038621 Reorder the terms: -1.322738387 + x = -0.877038621 Solving -1.322738387 + x = -0.877038621 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.322738387' to each side of the equation. -1.322738387 + 1.322738387 + x = -0.877038621 + 1.322738387 Combine like terms: -1.322738387 + 1.322738387 = 0.000000000 0.000000000 + x = -0.877038621 + 1.322738387 x = -0.877038621 + 1.322738387 Combine like terms: -0.877038621 + 1.322738387 = 0.445699766 x = 0.445699766 Simplifying x = 0.445699766

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.199777008, 0.445699766}

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