10x^2+6x-23=0

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Solution for 10x^2+6x-23=0 equation:


Simplifying
10x2 + 6x + -23 = 0

Reorder the terms:
-23 + 6x + 10x2 = 0

Solving
-23 + 6x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
-2.3 + 0.6x + x2 = 0

Move the constant term to the right:

Add '2.3' to each side of the equation.
-2.3 + 0.6x + 2.3 + x2 = 0 + 2.3

Reorder the terms:
-2.3 + 2.3 + 0.6x + x2 = 0 + 2.3

Combine like terms: -2.3 + 2.3 = 0.0
0.0 + 0.6x + x2 = 0 + 2.3
0.6x + x2 = 0 + 2.3

Combine like terms: 0 + 2.3 = 2.3
0.6x + x2 = 2.3

The x term is 0.6x.  Take half its coefficient (0.3).
Square it (0.09) and add it to both sides.

Add '0.09' to each side of the equation.
0.6x + 0.09 + x2 = 2.3 + 0.09

Reorder the terms:
0.09 + 0.6x + x2 = 2.3 + 0.09

Combine like terms: 2.3 + 0.09 = 2.39
0.09 + 0.6x + x2 = 2.39

Factor a perfect square on the left side:
(x + 0.3)(x + 0.3) = 2.39

Calculate the square root of the right side: 1.545962483

Break this problem into two subproblems by setting 
(x + 0.3) equal to 1.545962483 and -1.545962483.

Subproblem 1

x + 0.3 = 1.545962483 Simplifying x + 0.3 = 1.545962483 Reorder the terms: 0.3 + x = 1.545962483 Solving 0.3 + x = 1.545962483 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3' to each side of the equation. 0.3 + -0.3 + x = 1.545962483 + -0.3 Combine like terms: 0.3 + -0.3 = 0.0 0.0 + x = 1.545962483 + -0.3 x = 1.545962483 + -0.3 Combine like terms: 1.545962483 + -0.3 = 1.245962483 x = 1.245962483 Simplifying x = 1.245962483

Subproblem 2

x + 0.3 = -1.545962483 Simplifying x + 0.3 = -1.545962483 Reorder the terms: 0.3 + x = -1.545962483 Solving 0.3 + x = -1.545962483 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.3' to each side of the equation. 0.3 + -0.3 + x = -1.545962483 + -0.3 Combine like terms: 0.3 + -0.3 = 0.0 0.0 + x = -1.545962483 + -0.3 x = -1.545962483 + -0.3 Combine like terms: -1.545962483 + -0.3 = -1.845962483 x = -1.845962483 Simplifying x = -1.845962483

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.245962483, -1.845962483}

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