-x^2-50x+144=0

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Solution for -x^2-50x+144=0 equation:


Simplifying
-1x2 + -50x + 144 = 0

Reorder the terms:
144 + -50x + -1x2 = 0

Solving
144 + -50x + -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'.
-144 + 50x + x2 = 0

Move the constant term to the right:

Add '144' to each side of the equation.
-144 + 50x + 144 + x2 = 0 + 144

Reorder the terms:
-144 + 144 + 50x + x2 = 0 + 144

Combine like terms: -144 + 144 = 0
0 + 50x + x2 = 0 + 144
50x + x2 = 0 + 144

Combine like terms: 0 + 144 = 144
50x + x2 = 144

The x term is 50x.  Take half its coefficient (25).
Square it (625) and add it to both sides.

Add '625' to each side of the equation.
50x + 625 + x2 = 144 + 625

Reorder the terms:
625 + 50x + x2 = 144 + 625

Combine like terms: 144 + 625 = 769
625 + 50x + x2 = 769

Factor a perfect square on the left side:
(x + 25)(x + 25) = 769

Calculate the square root of the right side: 27.730849248

Break this problem into two subproblems by setting 
(x + 25) equal to 27.730849248 and -27.730849248.

Subproblem 1

x + 25 = 27.730849248 Simplifying x + 25 = 27.730849248 Reorder the terms: 25 + x = 27.730849248 Solving 25 + x = 27.730849248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + x = 27.730849248 + -25 Combine like terms: 25 + -25 = 0 0 + x = 27.730849248 + -25 x = 27.730849248 + -25 Combine like terms: 27.730849248 + -25 = 2.730849248 x = 2.730849248 Simplifying x = 2.730849248

Subproblem 2

x + 25 = -27.730849248 Simplifying x + 25 = -27.730849248 Reorder the terms: 25 + x = -27.730849248 Solving 25 + x = -27.730849248 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-25' to each side of the equation. 25 + -25 + x = -27.730849248 + -25 Combine like terms: 25 + -25 = 0 0 + x = -27.730849248 + -25 x = -27.730849248 + -25 Combine like terms: -27.730849248 + -25 = -52.730849248 x = -52.730849248 Simplifying x = -52.730849248

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.730849248, -52.730849248}

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