x^2+6x-588=0

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Solution for x^2+6x-588=0 equation:


Simplifying
x2 + 6x + -588 = 0

Reorder the terms:
-588 + 6x + x2 = 0

Solving
-588 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '588' to each side of the equation.
-588 + 6x + 588 + x2 = 0 + 588

Reorder the terms:
-588 + 588 + 6x + x2 = 0 + 588

Combine like terms: -588 + 588 = 0
0 + 6x + x2 = 0 + 588
6x + x2 = 0 + 588

Combine like terms: 0 + 588 = 588
6x + x2 = 588

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 = 588 + 9

Reorder the terms:
9 + 6x + x2 = 588 + 9

Combine like terms: 588 + 9 = 597
9 + 6x + x2 = 597

Factor a perfect square on the left side:
(x + 3)(x + 3) = 597

Calculate the square root of the right side: 24.433583446

Break this problem into two subproblems by setting 
(x + 3) equal to 24.433583446 and -24.433583446.

Subproblem 1

x + 3 = 24.433583446 Simplifying x + 3 = 24.433583446 Reorder the terms: 3 + x = 24.433583446 Solving 3 + x = 24.433583446 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 = 24.433583446 + -3 Combine like terms: 3 + -3 = 0 0 + x = 24.433583446 + -3 x = 24.433583446 + -3 Combine like terms: 24.433583446 + -3 = 21.433583446 x = 21.433583446 Simplifying x = 21.433583446

Subproblem 2

x + 3 = -24.433583446 Simplifying x + 3 = -24.433583446 Reorder the terms: 3 + x = -24.433583446 Solving 3 + x = -24.433583446 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 = -24.433583446 + -3 Combine like terms: 3 + -3 = 0 0 + x = -24.433583446 + -3 x = -24.433583446 + -3 Combine like terms: -24.433583446 + -3 = -27.433583446 x = -27.433583446 Simplifying x = -27.433583446

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.433583446, -27.433583446}

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