x^2+12x-6=46

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Solution for x^2+12x-6=46 equation:


Simplifying
x2 + 12x + -6 = 46

Reorder the terms:
-6 + 12x + x2 = 46

Solving
-6 + 12x + x2 = 46

Solving for variable 'x'.

Reorder the terms:
-6 + -46 + 12x + x2 = 46 + -46

Combine like terms: -6 + -46 = -52
-52 + 12x + x2 = 46 + -46

Combine like terms: 46 + -46 = 0
-52 + 12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '52' to each side of the equation.
-52 + 12x + 52 + x2 = 0 + 52

Reorder the terms:
-52 + 52 + 12x + x2 = 0 + 52

Combine like terms: -52 + 52 = 0
0 + 12x + x2 = 0 + 52
12x + x2 = 0 + 52

Combine like terms: 0 + 52 = 52
12x + x2 = 52

The x term is 12x.  Take half its coefficient (6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
12x + 36 + x2 = 52 + 36

Reorder the terms:
36 + 12x + x2 = 52 + 36

Combine like terms: 52 + 36 = 88
36 + 12x + x2 = 88

Factor a perfect square on the left side:
(x + 6)(x + 6) = 88

Calculate the square root of the right side: 9.38083152

Break this problem into two subproblems by setting 
(x + 6) equal to 9.38083152 and -9.38083152.

Subproblem 1

x + 6 = 9.38083152 Simplifying x + 6 = 9.38083152 Reorder the terms: 6 + x = 9.38083152 Solving 6 + x = 9.38083152 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = 9.38083152 + -6 Combine like terms: 6 + -6 = 0 0 + x = 9.38083152 + -6 x = 9.38083152 + -6 Combine like terms: 9.38083152 + -6 = 3.38083152 x = 3.38083152 Simplifying x = 3.38083152

Subproblem 2

x + 6 = -9.38083152 Simplifying x + 6 = -9.38083152 Reorder the terms: 6 + x = -9.38083152 Solving 6 + x = -9.38083152 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-6' to each side of the equation. 6 + -6 + x = -9.38083152 + -6 Combine like terms: 6 + -6 = 0 0 + x = -9.38083152 + -6 x = -9.38083152 + -6 Combine like terms: -9.38083152 + -6 = -15.38083152 x = -15.38083152 Simplifying x = -15.38083152

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.38083152, -15.38083152}

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