0=x^2+32x-345

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Solution for 0=x^2+32x-345 equation:


Simplifying
0 = x2 + 32x + -345

Reorder the terms:
0 = -345 + 32x + x2

Solving
0 = -345 + 32x + x2

Solving for variable 'x'.

Combine like terms: 0 + 345 = 345
345 + -32x + -1x2 = -345 + 32x + x2 + 345 + -32x + -1x2

Reorder the terms:
345 + -32x + -1x2 = -345 + 345 + 32x + -32x + x2 + -1x2

Combine like terms: -345 + 345 = 0
345 + -32x + -1x2 = 0 + 32x + -32x + x2 + -1x2
345 + -32x + -1x2 = 32x + -32x + x2 + -1x2

Combine like terms: 32x + -32x = 0
345 + -32x + -1x2 = 0 + x2 + -1x2
345 + -32x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
345 + -32x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
-345 + 32x + x2 = 0

Move the constant term to the right:

Add '345' to each side of the equation.
-345 + 32x + 345 + x2 = 0 + 345

Reorder the terms:
-345 + 345 + 32x + x2 = 0 + 345

Combine like terms: -345 + 345 = 0
0 + 32x + x2 = 0 + 345
32x + x2 = 0 + 345

Combine like terms: 0 + 345 = 345
32x + x2 = 345

The x term is 32x.  Take half its coefficient (16).
Square it (256) and add it to both sides.

Add '256' to each side of the equation.
32x + 256 + x2 = 345 + 256

Reorder the terms:
256 + 32x + x2 = 345 + 256

Combine like terms: 345 + 256 = 601
256 + 32x + x2 = 601

Factor a perfect square on the left side:
(x + 16)(x + 16) = 601

Calculate the square root of the right side: 24.515301344

Break this problem into two subproblems by setting 
(x + 16) equal to 24.515301344 and -24.515301344.

Subproblem 1

x + 16 = 24.515301344 Simplifying x + 16 = 24.515301344 Reorder the terms: 16 + x = 24.515301344 Solving 16 + x = 24.515301344 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = 24.515301344 + -16 Combine like terms: 16 + -16 = 0 0 + x = 24.515301344 + -16 x = 24.515301344 + -16 Combine like terms: 24.515301344 + -16 = 8.515301344 x = 8.515301344 Simplifying x = 8.515301344

Subproblem 2

x + 16 = -24.515301344 Simplifying x + 16 = -24.515301344 Reorder the terms: 16 + x = -24.515301344 Solving 16 + x = -24.515301344 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = -24.515301344 + -16 Combine like terms: 16 + -16 = 0 0 + x = -24.515301344 + -16 x = -24.515301344 + -16 Combine like terms: -24.515301344 + -16 = -40.515301344 x = -40.515301344 Simplifying x = -40.515301344

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.515301344, -40.515301344}

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