2x^2+6x-182=0

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Solution for 2x^2+6x-182=0 equation: 


Simplifying
2x2 + 6x + -182 = 0

Reorder the terms:
-182 + 6x + 2x2 = 0

Solving
-182 + 6x + 2x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '2'.
2(-91 + 3x + x2) = 0

Ignore the factor 2.

Subproblem 1
Set the factor '(-91 + 3x + x2)' equal to zero and attempt to solve:

Simplifying
-91 + 3x + x2 = 0

Solving
-91 + 3x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '91' to each side of the equation.
-91 + 3x + 91 + x2 = 0 + 91

Reorder the terms:
-91 + 91 + 3x + x2 = 0 + 91

Combine like terms: -91 + 91 = 0
0 + 3x + x2 = 0 + 91
3x + x2 = 0 + 91

Combine like terms: 0 + 91 = 91
3x + x2 = 91

The x term is 3x.  Take half its coefficient (1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
3x + 2.25 + x2 = 91 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 91 + 2.25

Combine like terms: 91 + 2.25 = 93.25
2.25 + 3x + x2 = 93.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 93.25

Calculate the square root of the right side: 9.656603958

Break this problem into two subproblems by setting 
(x + 1.5) equal to 9.656603958 and -9.656603958.


Subproblem 1
x + 1.5 = 9.656603958

Simplifying
x + 1.5 = 9.656603958

Reorder the terms:
1.5 + x = 9.656603958

Solving
1.5 + x = 9.656603958

Solving for variable 'x'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + x = 9.656603958 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + x = 9.656603958 + -1.5
x = 9.656603958 + -1.5

Combine like terms: 9.656603958 + -1.5 = 8.156603958
x = 8.156603958

Simplifying
x = 8.156603958


Subproblem 2
x + 1.5 = -9.656603958

Simplifying
x + 1.5 = -9.656603958

Reorder the terms:
1.5 + x = -9.656603958

Solving
1.5 + x = -9.656603958

Solving for variable 'x'.

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

Add '-1.5' to each side of the equation.
1.5 + -1.5 + x = -9.656603958 + -1.5

Combine like terms: 1.5 + -1.5 = 0.0
0.0 + x = -9.656603958 + -1.5
x = -9.656603958 + -1.5

Combine like terms: -9.656603958 + -1.5 = -11.156603958
x = -11.156603958

Simplifying
x = -11.156603958


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {8.156603958, -11.156603958}
Solution
x = {8.156603958, -11.156603958}

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