-x^2-23x+432=

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Solution for -x^2-23x+432= equation:


Simplifying
-1x2 + -23x + 432 = 0

Reorder the terms:
432 + -23x + -1x2 = 0

Solving
432 + -23x + -1x2 = 0

Solving for variable 'x'.

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

Divide each side by '-1'.
-432 + 23x + x2 = 0

Move the constant term to the right:

Add '432' to each side of the equation.
-432 + 23x + 432 + x2 = 0 + 432

Reorder the terms:
-432 + 432 + 23x + x2 = 0 + 432

Combine like terms: -432 + 432 = 0
0 + 23x + x2 = 0 + 432
23x + x2 = 0 + 432

Combine like terms: 0 + 432 = 432
23x + x2 = 432

The x term is 23x.  Take half its coefficient (11.5).
Square it (132.25) and add it to both sides.

Add '132.25' to each side of the equation.
23x + 132.25 + x2 = 432 + 132.25

Reorder the terms:
132.25 + 23x + x2 = 432 + 132.25

Combine like terms: 432 + 132.25 = 564.25
132.25 + 23x + x2 = 564.25

Factor a perfect square on the left side:
(x + 11.5)(x + 11.5) = 564.25

Calculate the square root of the right side: 23.75394704

Break this problem into two subproblems by setting 
(x + 11.5) equal to 23.75394704 and -23.75394704.

Subproblem 1

x + 11.5 = 23.75394704 Simplifying x + 11.5 = 23.75394704 Reorder the terms: 11.5 + x = 23.75394704 Solving 11.5 + x = 23.75394704 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11.5' to each side of the equation. 11.5 + -11.5 + x = 23.75394704 + -11.5 Combine like terms: 11.5 + -11.5 = 0.0 0.0 + x = 23.75394704 + -11.5 x = 23.75394704 + -11.5 Combine like terms: 23.75394704 + -11.5 = 12.25394704 x = 12.25394704 Simplifying x = 12.25394704

Subproblem 2

x + 11.5 = -23.75394704 Simplifying x + 11.5 = -23.75394704 Reorder the terms: 11.5 + x = -23.75394704 Solving 11.5 + x = -23.75394704 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-11.5' to each side of the equation. 11.5 + -11.5 + x = -23.75394704 + -11.5 Combine like terms: 11.5 + -11.5 = 0.0 0.0 + x = -23.75394704 + -11.5 x = -23.75394704 + -11.5 Combine like terms: -23.75394704 + -11.5 = -35.25394704 x = -35.25394704 Simplifying x = -35.25394704

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.25394704, -35.25394704}

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