3x^2-14x-38=0

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Solution for 3x^2-14x-38=0 equation: 


Simplifying
3x2 + -14x + -38 = 0

Reorder the terms:
-38 + -14x + 3x2 = 0

Solving
-38 + -14x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
-12.66666667 + -4.666666667x + x2 = 0

Move the constant term to the right:

Add '12.66666667' to each side of the equation.
-12.66666667 + -4.666666667x + 12.66666667 + x2 = 0 + 12.66666667

Reorder the terms:
-12.66666667 + 12.66666667 + -4.666666667x + x2 = 0 + 12.66666667

Combine like terms: -12.66666667 + 12.66666667 = 0.00000000
0.00000000 + -4.666666667x + x2 = 0 + 12.66666667
-4.666666667x + x2 = 0 + 12.66666667

Combine like terms: 0 + 12.66666667 = 12.66666667
-4.666666667x + x2 = 12.66666667

The x term is -4.666666667x.  Take half its coefficient (-2.333333334).
Square it (5.444444448) and add it to both sides.

Add '5.444444448' to each side of the equation.
-4.666666667x + 5.444444448 + x2 = 12.66666667 + 5.444444448

Reorder the terms:
5.444444448 + -4.666666667x + x2 = 12.66666667 + 5.444444448

Combine like terms: 12.66666667 + 5.444444448 = 18.111111118
5.444444448 + -4.666666667x + x2 = 18.111111118

Factor a perfect square on the left side:
(x + -2.333333334)(x + -2.333333334) = 18.111111118

Calculate the square root of the right side: 4.255715112

Break this problem into two subproblems by setting 
(x + -2.333333334) equal to 4.255715112 and -4.255715112.


Subproblem 1
x + -2.333333334 = 4.255715112

Simplifying
x + -2.333333334 = 4.255715112

Reorder the terms:
-2.333333334 + x = 4.255715112

Solving
-2.333333334 + x = 4.255715112

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2.333333334' to each side of the equation.
-2.333333334 + 2.333333334 + x = 4.255715112 + 2.333333334

Combine like terms: -2.333333334 + 2.333333334 = 0.000000000
0.000000000 + x = 4.255715112 + 2.333333334
x = 4.255715112 + 2.333333334

Combine like terms: 4.255715112 + 2.333333334 = 6.589048446
x = 6.589048446

Simplifying
x = 6.589048446


Subproblem 2
x + -2.333333334 = -4.255715112

Simplifying
x + -2.333333334 = -4.255715112

Reorder the terms:
-2.333333334 + x = -4.255715112

Solving
-2.333333334 + x = -4.255715112

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '2.333333334' to each side of the equation.
-2.333333334 + 2.333333334 + x = -4.255715112 + 2.333333334

Combine like terms: -2.333333334 + 2.333333334 = 0.000000000
0.000000000 + x = -4.255715112 + 2.333333334
x = -4.255715112 + 2.333333334

Combine like terms: -4.255715112 + 2.333333334 = -1.922381778
x = -1.922381778

Simplifying
x = -1.922381778


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {6.589048446, -1.922381778}

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