20.2764x^2-140.73x+125.38=0

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Solution for 20.2764x^2-140.73x+125.38=0 equation:


Simplifying
20.2764x2 + -140.73x + 125.38 = 0

Reorder the terms:
125.38 + -140.73x + 20.2764x2 = 0

Solving
125.38 + -140.73x + 20.2764x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
20.2764 the coefficient of the squared term: 

Divide each side by '20.2764'.
6.18354343 + -6.940581168x + x2 = 0

Move the constant term to the right:

Add '-6.18354343' to each side of the equation.
6.18354343 + -6.940581168x + -6.18354343 + x2 = 0 + -6.18354343

Reorder the terms:
6.18354343 + -6.18354343 + -6.940581168x + x2 = 0 + -6.18354343

Combine like terms: 6.18354343 + -6.18354343 = 0.00000000
0.00000000 + -6.940581168x + x2 = 0 + -6.18354343
-6.940581168x + x2 = 0 + -6.18354343

Combine like terms: 0 + -6.18354343 = -6.18354343
-6.940581168x + x2 = -6.18354343

The x term is -6.940581168x.  Take half its coefficient (-3.470290584).
Square it (12.04291674) and add it to both sides.

Add '12.04291674' to each side of the equation.
-6.940581168x + 12.04291674 + x2 = -6.18354343 + 12.04291674

Reorder the terms:
12.04291674 + -6.940581168x + x2 = -6.18354343 + 12.04291674

Combine like terms: -6.18354343 + 12.04291674 = 5.85937331
12.04291674 + -6.940581168x + x2 = 5.85937331

Factor a perfect square on the left side:
(x + -3.470290584)(x + -3.470290584) = 5.85937331

Calculate the square root of the right side: 2.420614242

Break this problem into two subproblems by setting 
(x + -3.470290584) equal to 2.420614242 and -2.420614242.

Subproblem 1

x + -3.470290584 = 2.420614242 Simplifying x + -3.470290584 = 2.420614242 Reorder the terms: -3.470290584 + x = 2.420614242 Solving -3.470290584 + x = 2.420614242 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.470290584' to each side of the equation. -3.470290584 + 3.470290584 + x = 2.420614242 + 3.470290584 Combine like terms: -3.470290584 + 3.470290584 = 0.000000000 0.000000000 + x = 2.420614242 + 3.470290584 x = 2.420614242 + 3.470290584 Combine like terms: 2.420614242 + 3.470290584 = 5.890904826 x = 5.890904826 Simplifying x = 5.890904826

Subproblem 2

x + -3.470290584 = -2.420614242 Simplifying x + -3.470290584 = -2.420614242 Reorder the terms: -3.470290584 + x = -2.420614242 Solving -3.470290584 + x = -2.420614242 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.470290584' to each side of the equation. -3.470290584 + 3.470290584 + x = -2.420614242 + 3.470290584 Combine like terms: -3.470290584 + 3.470290584 = 0.000000000 0.000000000 + x = -2.420614242 + 3.470290584 x = -2.420614242 + 3.470290584 Combine like terms: -2.420614242 + 3.470290584 = 1.049676342 x = 1.049676342 Simplifying x = 1.049676342

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.890904826, 1.049676342}

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