-x^2+110x+1300=0

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Solution for -x^2+110x+1300=0 equation:


Simplifying
-1x2 + 110x + 1300 = 0

Reorder the terms:
1300 + 110x + -1x2 = 0

Solving
1300 + 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'.
-1300 + -110x + x2 = 0

Move the constant term to the right:

Add '1300' to each side of the equation.
-1300 + -110x + 1300 + x2 = 0 + 1300

Reorder the terms:
-1300 + 1300 + -110x + x2 = 0 + 1300

Combine like terms: -1300 + 1300 = 0
0 + -110x + x2 = 0 + 1300
-110x + x2 = 0 + 1300

Combine like terms: 0 + 1300 = 1300
-110x + x2 = 1300

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 = 1300 + 3025

Reorder the terms:
3025 + -110x + x2 = 1300 + 3025

Combine like terms: 1300 + 3025 = 4325
3025 + -110x + x2 = 4325

Factor a perfect square on the left side:
(x + -55)(x + -55) = 4325

Calculate the square root of the right side: 65.76473219

Break this problem into two subproblems by setting 
(x + -55) equal to 65.76473219 and -65.76473219.

Subproblem 1

x + -55 = 65.76473219 Simplifying x + -55 = 65.76473219 Reorder the terms: -55 + x = 65.76473219 Solving -55 + x = 65.76473219 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 = 65.76473219 + 55 Combine like terms: -55 + 55 = 0 0 + x = 65.76473219 + 55 x = 65.76473219 + 55 Combine like terms: 65.76473219 + 55 = 120.76473219 x = 120.76473219 Simplifying x = 120.76473219

Subproblem 2

x + -55 = -65.76473219 Simplifying x + -55 = -65.76473219 Reorder the terms: -55 + x = -65.76473219 Solving -55 + x = -65.76473219 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 = -65.76473219 + 55 Combine like terms: -55 + 55 = 0 0 + x = -65.76473219 + 55 x = -65.76473219 + 55 Combine like terms: -65.76473219 + 55 = -10.76473219 x = -10.76473219 Simplifying x = -10.76473219

Solution

The solution to the problem is based on the solutions from the subproblems. x = {120.76473219, -10.76473219}

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