99-(10*x+(x^2)+38)=0

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Solution for 99-(10*x+(x^2)+38)=0 equation:


Simplifying
99 + -1(10x + (x2) + 38) = 0
99 + -1(10x + x2 + 38) = 0

Reorder the terms:
99 + -1(38 + 10x + x2) = 0
99 + (38 * -1 + 10x * -1 + x2 * -1) = 0
99 + (-38 + -10x + -1x2) = 0

Combine like terms: 99 + -38 = 61
61 + -10x + -1x2 = 0

Solving
61 + -10x + -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'.
-61 + 10x + x2 = 0

Move the constant term to the right:

Add '61' to each side of the equation.
-61 + 10x + 61 + x2 = 0 + 61

Reorder the terms:
-61 + 61 + 10x + x2 = 0 + 61

Combine like terms: -61 + 61 = 0
0 + 10x + x2 = 0 + 61
10x + x2 = 0 + 61

Combine like terms: 0 + 61 = 61
10x + x2 = 61

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = 61 + 25

Reorder the terms:
25 + 10x + x2 = 61 + 25

Combine like terms: 61 + 25 = 86
25 + 10x + x2 = 86

Factor a perfect square on the left side:
(x + 5)(x + 5) = 86

Calculate the square root of the right side: 9.273618495

Break this problem into two subproblems by setting 
(x + 5) equal to 9.273618495 and -9.273618495.

Subproblem 1

x + 5 = 9.273618495 Simplifying x + 5 = 9.273618495 Reorder the terms: 5 + x = 9.273618495 Solving 5 + x = 9.273618495 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 9.273618495 + -5 Combine like terms: 5 + -5 = 0 0 + x = 9.273618495 + -5 x = 9.273618495 + -5 Combine like terms: 9.273618495 + -5 = 4.273618495 x = 4.273618495 Simplifying x = 4.273618495

Subproblem 2

x + 5 = -9.273618495 Simplifying x + 5 = -9.273618495 Reorder the terms: 5 + x = -9.273618495 Solving 5 + x = -9.273618495 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -9.273618495 + -5 Combine like terms: 5 + -5 = 0 0 + x = -9.273618495 + -5 x = -9.273618495 + -5 Combine like terms: -9.273618495 + -5 = -14.273618495 x = -14.273618495 Simplifying x = -14.273618495

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.273618495, -14.273618495}

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