x^2+6x-15470=0

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Solution for x^2+6x-15470=0 equation:


Simplifying
x2 + 6x + -15470 = 0

Reorder the terms:
-15470 + 6x + x2 = 0

Solving
-15470 + 6x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '15470' to each side of the equation.
-15470 + 6x + 15470 + x2 = 0 + 15470

Reorder the terms:
-15470 + 15470 + 6x + x2 = 0 + 15470

Combine like terms: -15470 + 15470 = 0
0 + 6x + x2 = 0 + 15470
6x + x2 = 0 + 15470

Combine like terms: 0 + 15470 = 15470
6x + x2 = 15470

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 = 15470 + 9

Reorder the terms:
9 + 6x + x2 = 15470 + 9

Combine like terms: 15470 + 9 = 15479
9 + 6x + x2 = 15479

Factor a perfect square on the left side:
(x + 3)(x + 3) = 15479

Calculate the square root of the right side: 124.414629365

Break this problem into two subproblems by setting 
(x + 3) equal to 124.414629365 and -124.414629365.

Subproblem 1

x + 3 = 124.414629365 Simplifying x + 3 = 124.414629365 Reorder the terms: 3 + x = 124.414629365 Solving 3 + x = 124.414629365 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 = 124.414629365 + -3 Combine like terms: 3 + -3 = 0 0 + x = 124.414629365 + -3 x = 124.414629365 + -3 Combine like terms: 124.414629365 + -3 = 121.414629365 x = 121.414629365 Simplifying x = 121.414629365

Subproblem 2

x + 3 = -124.414629365 Simplifying x + 3 = -124.414629365 Reorder the terms: 3 + x = -124.414629365 Solving 3 + x = -124.414629365 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 = -124.414629365 + -3 Combine like terms: 3 + -3 = 0 0 + x = -124.414629365 + -3 x = -124.414629365 + -3 Combine like terms: -124.414629365 + -3 = -127.414629365 x = -127.414629365 Simplifying x = -127.414629365

Solution

The solution to the problem is based on the solutions from the subproblems. x = {121.414629365, -127.414629365}

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