20x^2+62x+23=0

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Solution for 20x^2+62x+23=0 equation:


Simplifying
20x2 + 62x + 23 = 0

Reorder the terms:
23 + 62x + 20x2 = 0

Solving
23 + 62x + 20x2 = 0

Solving for variable 'x'.

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

Divide each side by '20'.
1.15 + 3.1x + x2 = 0

Move the constant term to the right:

Add '-1.15' to each side of the equation.
1.15 + 3.1x + -1.15 + x2 = 0 + -1.15

Reorder the terms:
1.15 + -1.15 + 3.1x + x2 = 0 + -1.15

Combine like terms: 1.15 + -1.15 = 0.00
0.00 + 3.1x + x2 = 0 + -1.15
3.1x + x2 = 0 + -1.15

Combine like terms: 0 + -1.15 = -1.15
3.1x + x2 = -1.15

The x term is 3.1x.  Take half its coefficient (1.55).
Square it (2.4025) and add it to both sides.

Add '2.4025' to each side of the equation.
3.1x + 2.4025 + x2 = -1.15 + 2.4025

Reorder the terms:
2.4025 + 3.1x + x2 = -1.15 + 2.4025

Combine like terms: -1.15 + 2.4025 = 1.2525
2.4025 + 3.1x + x2 = 1.2525

Factor a perfect square on the left side:
(x + 1.55)(x + 1.55) = 1.2525

Calculate the square root of the right side: 1.119151464

Break this problem into two subproblems by setting 
(x + 1.55) equal to 1.119151464 and -1.119151464.

Subproblem 1

x + 1.55 = 1.119151464 Simplifying x + 1.55 = 1.119151464 Reorder the terms: 1.55 + x = 1.119151464 Solving 1.55 + x = 1.119151464 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.55' to each side of the equation. 1.55 + -1.55 + x = 1.119151464 + -1.55 Combine like terms: 1.55 + -1.55 = 0.00 0.00 + x = 1.119151464 + -1.55 x = 1.119151464 + -1.55 Combine like terms: 1.119151464 + -1.55 = -0.430848536 x = -0.430848536 Simplifying x = -0.430848536

Subproblem 2

x + 1.55 = -1.119151464 Simplifying x + 1.55 = -1.119151464 Reorder the terms: 1.55 + x = -1.119151464 Solving 1.55 + x = -1.119151464 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.55' to each side of the equation. 1.55 + -1.55 + x = -1.119151464 + -1.55 Combine like terms: 1.55 + -1.55 = 0.00 0.00 + x = -1.119151464 + -1.55 x = -1.119151464 + -1.55 Combine like terms: -1.119151464 + -1.55 = -2.669151464 x = -2.669151464 Simplifying x = -2.669151464

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.430848536, -2.669151464}

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