x^2+12x=.32

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Solution for x^2+12x=.32 equation:


Simplifying
x2 + 12x = 0.32

Reorder the terms:
12x + x2 = 0.32

Solving
12x + x2 = 0.32

Solving for variable 'x'.

Reorder the terms:
-0.32 + 12x + x2 = 0.32 + -0.32

Combine like terms: 0.32 + -0.32 = 0.00
-0.32 + 12x + x2 = 0.00

Begin completing the square.

Move the constant term to the right:

Add '0.32' to each side of the equation.
-0.32 + 12x + 0.32 + x2 = 0.00 + 0.32

Reorder the terms:
-0.32 + 0.32 + 12x + x2 = 0.00 + 0.32

Combine like terms: -0.32 + 0.32 = 0.00
0.00 + 12x + x2 = 0.00 + 0.32
12x + x2 = 0.00 + 0.32

Combine like terms: 0.00 + 0.32 = 0.32
12x + x2 = 0.32

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 = 0.32 + 36

Reorder the terms:
36 + 12x + x2 = 0.32 + 36

Combine like terms: 0.32 + 36 = 36.32
36 + 12x + x2 = 36.32

Factor a perfect square on the left side:
(x + 6)(x + 6) = 36.32

Calculate the square root of the right side: 6.026607669

Break this problem into two subproblems by setting 
(x + 6) equal to 6.026607669 and -6.026607669.

Subproblem 1

x + 6 = 6.026607669 Simplifying x + 6 = 6.026607669 Reorder the terms: 6 + x = 6.026607669 Solving 6 + x = 6.026607669 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 = 6.026607669 + -6 Combine like terms: 6 + -6 = 0 0 + x = 6.026607669 + -6 x = 6.026607669 + -6 Combine like terms: 6.026607669 + -6 = 0.026607669 x = 0.026607669 Simplifying x = 0.026607669

Subproblem 2

x + 6 = -6.026607669 Simplifying x + 6 = -6.026607669 Reorder the terms: 6 + x = -6.026607669 Solving 6 + x = -6.026607669 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 = -6.026607669 + -6 Combine like terms: 6 + -6 = 0 0 + x = -6.026607669 + -6 x = -6.026607669 + -6 Combine like terms: -6.026607669 + -6 = -12.026607669 x = -12.026607669 Simplifying x = -12.026607669

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.026607669, -12.026607669}

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