x^2+12x-960=0

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Solution for x^2+12x-960=0 equation:


Simplifying
x2 + 12x + -960 = 0

Reorder the terms:
-960 + 12x + x2 = 0

Solving
-960 + 12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '960' to each side of the equation.
-960 + 12x + 960 + x2 = 0 + 960

Reorder the terms:
-960 + 960 + 12x + x2 = 0 + 960

Combine like terms: -960 + 960 = 0
0 + 12x + x2 = 0 + 960
12x + x2 = 0 + 960

Combine like terms: 0 + 960 = 960
12x + x2 = 960

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 = 960 + 36

Reorder the terms:
36 + 12x + x2 = 960 + 36

Combine like terms: 960 + 36 = 996
36 + 12x + x2 = 996

Factor a perfect square on the left side:
(x + 6)(x + 6) = 996

Calculate the square root of the right side: 31.559467676

Break this problem into two subproblems by setting 
(x + 6) equal to 31.559467676 and -31.559467676.

Subproblem 1

x + 6 = 31.559467676 Simplifying x + 6 = 31.559467676 Reorder the terms: 6 + x = 31.559467676 Solving 6 + x = 31.559467676 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 = 31.559467676 + -6 Combine like terms: 6 + -6 = 0 0 + x = 31.559467676 + -6 x = 31.559467676 + -6 Combine like terms: 31.559467676 + -6 = 25.559467676 x = 25.559467676 Simplifying x = 25.559467676

Subproblem 2

x + 6 = -31.559467676 Simplifying x + 6 = -31.559467676 Reorder the terms: 6 + x = -31.559467676 Solving 6 + x = -31.559467676 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 = -31.559467676 + -6 Combine like terms: 6 + -6 = 0 0 + x = -31.559467676 + -6 x = -31.559467676 + -6 Combine like terms: -31.559467676 + -6 = -37.559467676 x = -37.559467676 Simplifying x = -37.559467676

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.559467676, -37.559467676}

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