(2x+9)+x=460x^2

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Solution for (2x+9)+x=460x^2 equation:


Simplifying
(2x + 9) + x = 460x2

Reorder the terms:
(9 + 2x) + x = 460x2

Remove parenthesis around (9 + 2x)
9 + 2x + x = 460x2

Combine like terms: 2x + x = 3x
9 + 3x = 460x2

Solving
9 + 3x = 460x2

Solving for variable 'x'.

Combine like terms: 460x2 + -460x2 = 0
9 + 3x + -460x2 = 0

Begin completing the square.  Divide all terms by
-460 the coefficient of the squared term: 

Divide each side by '-460'.
-0.01956521739 + -0.00652173913x + x2 = 0

Move the constant term to the right:

Add '0.01956521739' to each side of the equation.
-0.01956521739 + -0.00652173913x + 0.01956521739 + x2 = 0 + 0.01956521739

Reorder the terms:
-0.01956521739 + 0.01956521739 + -0.00652173913x + x2 = 0 + 0.01956521739

Combine like terms: -0.01956521739 + 0.01956521739 = 0.00000000000
0.00000000000 + -0.00652173913x + x2 = 0 + 0.01956521739
-0.00652173913x + x2 = 0 + 0.01956521739

Combine like terms: 0 + 0.01956521739 = 0.01956521739
-0.00652173913x + x2 = 0.01956521739

The x term is -0.00652173913x.  Take half its coefficient (-0.003260869565).
Square it (0.00001063327032) and add it to both sides.

Add '0.00001063327032' to each side of the equation.
-0.00652173913x + 0.00001063327032 + x2 = 0.01956521739 + 0.00001063327032

Reorder the terms:
0.00001063327032 + -0.00652173913x + x2 = 0.01956521739 + 0.00001063327032

Combine like terms: 0.01956521739 + 0.00001063327032 = 0.01957585066032
0.00001063327032 + -0.00652173913x + x2 = 0.01957585066032

Factor a perfect square on the left side:
(x + -0.003260869565)(x + -0.003260869565) = 0.01957585066032

Calculate the square root of the right side: 0.139913726

Break this problem into two subproblems by setting 
(x + -0.003260869565) equal to 0.139913726 and -0.139913726.

Subproblem 1

x + -0.003260869565 = 0.139913726 Simplifying x + -0.003260869565 = 0.139913726 Reorder the terms: -0.003260869565 + x = 0.139913726 Solving -0.003260869565 + x = 0.139913726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.003260869565' to each side of the equation. -0.003260869565 + 0.003260869565 + x = 0.139913726 + 0.003260869565 Combine like terms: -0.003260869565 + 0.003260869565 = 0.000000000000 0.000000000000 + x = 0.139913726 + 0.003260869565 x = 0.139913726 + 0.003260869565 Combine like terms: 0.139913726 + 0.003260869565 = 0.143174595565 x = 0.143174595565 Simplifying x = 0.143174595565

Subproblem 2

x + -0.003260869565 = -0.139913726 Simplifying x + -0.003260869565 = -0.139913726 Reorder the terms: -0.003260869565 + x = -0.139913726 Solving -0.003260869565 + x = -0.139913726 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.003260869565' to each side of the equation. -0.003260869565 + 0.003260869565 + x = -0.139913726 + 0.003260869565 Combine like terms: -0.003260869565 + 0.003260869565 = 0.000000000000 0.000000000000 + x = -0.139913726 + 0.003260869565 x = -0.139913726 + 0.003260869565 Combine like terms: -0.139913726 + 0.003260869565 = -0.136652856435 x = -0.136652856435 Simplifying x = -0.136652856435

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.143174595565, -0.136652856435}

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