x^2+12x-582=0

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Solution for x^2+12x-582=0 equation:


Simplifying
x2 + 12x + -582 = 0

Reorder the terms:
-582 + 12x + x2 = 0

Solving
-582 + 12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '582' to each side of the equation.
-582 + 12x + 582 + x2 = 0 + 582

Reorder the terms:
-582 + 582 + 12x + x2 = 0 + 582

Combine like terms: -582 + 582 = 0
0 + 12x + x2 = 0 + 582
12x + x2 = 0 + 582

Combine like terms: 0 + 582 = 582
12x + x2 = 582

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 = 582 + 36

Reorder the terms:
36 + 12x + x2 = 582 + 36

Combine like terms: 582 + 36 = 618
36 + 12x + x2 = 618

Factor a perfect square on the left side:
(x + 6)(x + 6) = 618

Calculate the square root of the right side: 24.859605789

Break this problem into two subproblems by setting 
(x + 6) equal to 24.859605789 and -24.859605789.

Subproblem 1

x + 6 = 24.859605789 Simplifying x + 6 = 24.859605789 Reorder the terms: 6 + x = 24.859605789 Solving 6 + x = 24.859605789 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 = 24.859605789 + -6 Combine like terms: 6 + -6 = 0 0 + x = 24.859605789 + -6 x = 24.859605789 + -6 Combine like terms: 24.859605789 + -6 = 18.859605789 x = 18.859605789 Simplifying x = 18.859605789

Subproblem 2

x + 6 = -24.859605789 Simplifying x + 6 = -24.859605789 Reorder the terms: 6 + x = -24.859605789 Solving 6 + x = -24.859605789 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 = -24.859605789 + -6 Combine like terms: 6 + -6 = 0 0 + x = -24.859605789 + -6 x = -24.859605789 + -6 Combine like terms: -24.859605789 + -6 = -30.859605789 x = -30.859605789 Simplifying x = -30.859605789

Solution

The solution to the problem is based on the solutions from the subproblems. x = {18.859605789, -30.859605789}

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