-x^2+5.02x-5.57959=0

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Solution for -x^2+5.02x-5.57959=0 equation:


Simplifying
-1x2 + 5.02x + -5.57959 = 0

Reorder the terms:
-5.57959 + 5.02x + -1x2 = 0

Solving
-5.57959 + 5.02x + -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'.
5.57959 + -5.02x + x2 = 0

Move the constant term to the right:

Add '-5.57959' to each side of the equation.
5.57959 + -5.02x + -5.57959 + x2 = 0 + -5.57959

Reorder the terms:
5.57959 + -5.57959 + -5.02x + x2 = 0 + -5.57959

Combine like terms: 5.57959 + -5.57959 = 0.00000
0.00000 + -5.02x + x2 = 0 + -5.57959
-5.02x + x2 = 0 + -5.57959

Combine like terms: 0 + -5.57959 = -5.57959
-5.02x + x2 = -5.57959

The x term is -5.02x.  Take half its coefficient (-2.51).
Square it (6.3001) and add it to both sides.

Add '6.3001' to each side of the equation.
-5.02x + 6.3001 + x2 = -5.57959 + 6.3001

Reorder the terms:
6.3001 + -5.02x + x2 = -5.57959 + 6.3001

Combine like terms: -5.57959 + 6.3001 = 0.72051
6.3001 + -5.02x + x2 = 0.72051

Factor a perfect square on the left side:
(x + -2.51)(x + -2.51) = 0.72051

Calculate the square root of the right side: 0.848828605

Break this problem into two subproblems by setting 
(x + -2.51) equal to 0.848828605 and -0.848828605.

Subproblem 1

x + -2.51 = 0.848828605 Simplifying x + -2.51 = 0.848828605 Reorder the terms: -2.51 + x = 0.848828605 Solving -2.51 + x = 0.848828605 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.51' to each side of the equation. -2.51 + 2.51 + x = 0.848828605 + 2.51 Combine like terms: -2.51 + 2.51 = 0.00 0.00 + x = 0.848828605 + 2.51 x = 0.848828605 + 2.51 Combine like terms: 0.848828605 + 2.51 = 3.358828605 x = 3.358828605 Simplifying x = 3.358828605

Subproblem 2

x + -2.51 = -0.848828605 Simplifying x + -2.51 = -0.848828605 Reorder the terms: -2.51 + x = -0.848828605 Solving -2.51 + x = -0.848828605 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.51' to each side of the equation. -2.51 + 2.51 + x = -0.848828605 + 2.51 Combine like terms: -2.51 + 2.51 = 0.00 0.00 + x = -0.848828605 + 2.51 x = -0.848828605 + 2.51 Combine like terms: -0.848828605 + 2.51 = 1.661171395 x = 1.661171395 Simplifying x = 1.661171395

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.358828605, 1.661171395}

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