x^2+12x-460=0

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Solution for x^2+12x-460=0 equation:


Simplifying
x2 + 12x + -460 = 0

Reorder the terms:
-460 + 12x + x2 = 0

Solving
-460 + 12x + x2 = 0

Solving for variable 'x'.

Begin completing the square.

Move the constant term to the right:

Add '460' to each side of the equation.
-460 + 12x + 460 + x2 = 0 + 460

Reorder the terms:
-460 + 460 + 12x + x2 = 0 + 460

Combine like terms: -460 + 460 = 0
0 + 12x + x2 = 0 + 460
12x + x2 = 0 + 460

Combine like terms: 0 + 460 = 460
12x + x2 = 460

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 = 460 + 36

Reorder the terms:
36 + 12x + x2 = 460 + 36

Combine like terms: 460 + 36 = 496
36 + 12x + x2 = 496

Factor a perfect square on the left side:
(x + 6)(x + 6) = 496

Calculate the square root of the right side: 22.271057451

Break this problem into two subproblems by setting 
(x + 6) equal to 22.271057451 and -22.271057451.

Subproblem 1

x + 6 = 22.271057451 Simplifying x + 6 = 22.271057451 Reorder the terms: 6 + x = 22.271057451 Solving 6 + x = 22.271057451 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 = 22.271057451 + -6 Combine like terms: 6 + -6 = 0 0 + x = 22.271057451 + -6 x = 22.271057451 + -6 Combine like terms: 22.271057451 + -6 = 16.271057451 x = 16.271057451 Simplifying x = 16.271057451

Subproblem 2

x + 6 = -22.271057451 Simplifying x + 6 = -22.271057451 Reorder the terms: 6 + x = -22.271057451 Solving 6 + x = -22.271057451 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 = -22.271057451 + -6 Combine like terms: 6 + -6 = 0 0 + x = -22.271057451 + -6 x = -22.271057451 + -6 Combine like terms: -22.271057451 + -6 = -28.271057451 x = -28.271057451 Simplifying x = -28.271057451

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.271057451, -28.271057451}

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