x(x+-12)=1000

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Solution for x(x+-12)=1000 equation:


Simplifying
x(x + -12) = 1000

Reorder the terms:
x(-12 + x) = 1000
(-12 * x + x * x) = 1000
(-12x + x2) = 1000

Solving
-12x + x2 = 1000

Solving for variable 'x'.

Reorder the terms:
-1000 + -12x + x2 = 1000 + -1000

Combine like terms: 1000 + -1000 = 0
-1000 + -12x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '1000' to each side of the equation.
-1000 + -12x + 1000 + x2 = 0 + 1000

Reorder the terms:
-1000 + 1000 + -12x + x2 = 0 + 1000

Combine like terms: -1000 + 1000 = 0
0 + -12x + x2 = 0 + 1000
-12x + x2 = 0 + 1000

Combine like terms: 0 + 1000 = 1000
-12x + x2 = 1000

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 = 1000 + 36

Reorder the terms:
36 + -12x + x2 = 1000 + 36

Combine like terms: 1000 + 36 = 1036
36 + -12x + x2 = 1036

Factor a perfect square on the left side:
(x + -6)(x + -6) = 1036

Calculate the square root of the right side: 32.186953879

Break this problem into two subproblems by setting 
(x + -6) equal to 32.186953879 and -32.186953879.

Subproblem 1

x + -6 = 32.186953879 Simplifying x + -6 = 32.186953879 Reorder the terms: -6 + x = 32.186953879 Solving -6 + x = 32.186953879 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 = 32.186953879 + 6 Combine like terms: -6 + 6 = 0 0 + x = 32.186953879 + 6 x = 32.186953879 + 6 Combine like terms: 32.186953879 + 6 = 38.186953879 x = 38.186953879 Simplifying x = 38.186953879

Subproblem 2

x + -6 = -32.186953879 Simplifying x + -6 = -32.186953879 Reorder the terms: -6 + x = -32.186953879 Solving -6 + x = -32.186953879 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 = -32.186953879 + 6 Combine like terms: -6 + 6 = 0 0 + x = -32.186953879 + 6 x = -32.186953879 + 6 Combine like terms: -32.186953879 + 6 = -26.186953879 x = -26.186953879 Simplifying x = -26.186953879

Solution

The solution to the problem is based on the solutions from the subproblems. x = {38.186953879, -26.186953879}

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