x^2+6x-624=0

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Solution for x^2+6x-624=0 equation:


Simplifying
x2 + 6x + -624 = 0

Reorder the terms:
-624 + 6x + x2 = 0

Solving
-624 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '624' to each side of the equation.
-624 + 6x + 624 + x2 = 0 + 624

Reorder the terms:
-624 + 624 + 6x + x2 = 0 + 624

Combine like terms: -624 + 624 = 0
0 + 6x + x2 = 0 + 624
6x + x2 = 0 + 624

Combine like terms: 0 + 624 = 624
6x + x2 = 624

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 = 624 + 9

Reorder the terms:
9 + 6x + x2 = 624 + 9

Combine like terms: 624 + 9 = 633
9 + 6x + x2 = 633

Factor a perfect square on the left side:
(x + 3)(x + 3) = 633

Calculate the square root of the right side: 25.159491251

Break this problem into two subproblems by setting 
(x + 3) equal to 25.159491251 and -25.159491251.

Subproblem 1

x + 3 = 25.159491251 Simplifying x + 3 = 25.159491251 Reorder the terms: 3 + x = 25.159491251 Solving 3 + x = 25.159491251 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 = 25.159491251 + -3 Combine like terms: 3 + -3 = 0 0 + x = 25.159491251 + -3 x = 25.159491251 + -3 Combine like terms: 25.159491251 + -3 = 22.159491251 x = 22.159491251 Simplifying x = 22.159491251

Subproblem 2

x + 3 = -25.159491251 Simplifying x + 3 = -25.159491251 Reorder the terms: 3 + x = -25.159491251 Solving 3 + x = -25.159491251 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 = -25.159491251 + -3 Combine like terms: 3 + -3 = 0 0 + x = -25.159491251 + -3 x = -25.159491251 + -3 Combine like terms: -25.159491251 + -3 = -28.159491251 x = -28.159491251 Simplifying x = -28.159491251

Solution

The solution to the problem is based on the solutions from the subproblems. x = {22.159491251, -28.159491251}

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