-x^2+110x-300=0

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Solution for -x^2+110x-300=0 equation:


Simplifying
-1x2 + 110x + -300 = 0

Reorder the terms:
-300 + 110x + -1x2 = 0

Solving
-300 + 110x + -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'.
300 + -110x + x2 = 0

Move the constant term to the right:

Add '-300' to each side of the equation.
300 + -110x + -300 + x2 = 0 + -300

Reorder the terms:
300 + -300 + -110x + x2 = 0 + -300

Combine like terms: 300 + -300 = 0
0 + -110x + x2 = 0 + -300
-110x + x2 = 0 + -300

Combine like terms: 0 + -300 = -300
-110x + x2 = -300

The x term is -110x.  Take half its coefficient (-55).
Square it (3025) and add it to both sides.

Add '3025' to each side of the equation.
-110x + 3025 + x2 = -300 + 3025

Reorder the terms:
3025 + -110x + x2 = -300 + 3025

Combine like terms: -300 + 3025 = 2725
3025 + -110x + x2 = 2725

Factor a perfect square on the left side:
(x + -55)(x + -55) = 2725

Calculate the square root of the right side: 52.201532545

Break this problem into two subproblems by setting 
(x + -55) equal to 52.201532545 and -52.201532545.

Subproblem 1

x + -55 = 52.201532545 Simplifying x + -55 = 52.201532545 Reorder the terms: -55 + x = 52.201532545 Solving -55 + x = 52.201532545 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '55' to each side of the equation. -55 + 55 + x = 52.201532545 + 55 Combine like terms: -55 + 55 = 0 0 + x = 52.201532545 + 55 x = 52.201532545 + 55 Combine like terms: 52.201532545 + 55 = 107.201532545 x = 107.201532545 Simplifying x = 107.201532545

Subproblem 2

x + -55 = -52.201532545 Simplifying x + -55 = -52.201532545 Reorder the terms: -55 + x = -52.201532545 Solving -55 + x = -52.201532545 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '55' to each side of the equation. -55 + 55 + x = -52.201532545 + 55 Combine like terms: -55 + 55 = 0 0 + x = -52.201532545 + 55 x = -52.201532545 + 55 Combine like terms: -52.201532545 + 55 = 2.798467455 x = 2.798467455 Simplifying x = 2.798467455

Solution

The solution to the problem is based on the solutions from the subproblems. x = {107.201532545, 2.798467455}

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