x^2+6x-860=0

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Solution for x^2+6x-860=0 equation:


Simplifying
x2 + 6x + -860 = 0

Reorder the terms:
-860 + 6x + x2 = 0

Solving
-860 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '860' to each side of the equation.
-860 + 6x + 860 + x2 = 0 + 860

Reorder the terms:
-860 + 860 + 6x + x2 = 0 + 860

Combine like terms: -860 + 860 = 0
0 + 6x + x2 = 0 + 860
6x + x2 = 0 + 860

Combine like terms: 0 + 860 = 860
6x + x2 = 860

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 860 + 9

Reorder the terms:
9 + 6x + x2 = 860 + 9

Combine like terms: 860 + 9 = 869
9 + 6x + x2 = 869

Factor a perfect square on the left side:
(x + 3)(x + 3) = 869

Calculate the square root of the right side: 29.478805946

Break this problem into two subproblems by setting 
(x + 3) equal to 29.478805946 and -29.478805946.

Subproblem 1

x + 3 = 29.478805946 Simplifying x + 3 = 29.478805946 Reorder the terms: 3 + x = 29.478805946 Solving 3 + x = 29.478805946 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 29.478805946 + -3 Combine like terms: 3 + -3 = 0 0 + x = 29.478805946 + -3 x = 29.478805946 + -3 Combine like terms: 29.478805946 + -3 = 26.478805946 x = 26.478805946 Simplifying x = 26.478805946

Subproblem 2

x + 3 = -29.478805946 Simplifying x + 3 = -29.478805946 Reorder the terms: 3 + x = -29.478805946 Solving 3 + x = -29.478805946 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -29.478805946 + -3 Combine like terms: 3 + -3 = 0 0 + x = -29.478805946 + -3 x = -29.478805946 + -3 Combine like terms: -29.478805946 + -3 = -32.478805946 x = -32.478805946 Simplifying x = -32.478805946

Solution

The solution to the problem is based on the solutions from the subproblems. x = {26.478805946, -32.478805946}

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