x-3=x^2-10x+16

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Solution for x-3=x^2-10x+16 equation:


Simplifying
x + -3 = x2 + -10x + 16

Reorder the terms:
-3 + x = x2 + -10x + 16

Reorder the terms:
-3 + x = 16 + -10x + x2

Solving
-3 + x = 16 + -10x + x2

Solving for variable 'x'.

Reorder the terms:
-3 + -16 + x + 10x + -1x2 = 16 + -10x + x2 + -16 + 10x + -1x2

Combine like terms: -3 + -16 = -19
-19 + x + 10x + -1x2 = 16 + -10x + x2 + -16 + 10x + -1x2

Combine like terms: x + 10x = 11x
-19 + 11x + -1x2 = 16 + -10x + x2 + -16 + 10x + -1x2

Reorder the terms:
-19 + 11x + -1x2 = 16 + -16 + -10x + 10x + x2 + -1x2

Combine like terms: 16 + -16 = 0
-19 + 11x + -1x2 = 0 + -10x + 10x + x2 + -1x2
-19 + 11x + -1x2 = -10x + 10x + x2 + -1x2

Combine like terms: -10x + 10x = 0
-19 + 11x + -1x2 = 0 + x2 + -1x2
-19 + 11x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-19 + 11x + -1x2 = 0

Begin completing the square.  Divide all terms by
-1 the coefficient of the squared term: 

Divide each side by '-1'.
19 + -11x + x2 = 0

Move the constant term to the right:

Add '-19' to each side of the equation.
19 + -11x + -19 + x2 = 0 + -19

Reorder the terms:
19 + -19 + -11x + x2 = 0 + -19

Combine like terms: 19 + -19 = 0
0 + -11x + x2 = 0 + -19
-11x + x2 = 0 + -19

Combine like terms: 0 + -19 = -19
-11x + x2 = -19

The x term is -11x.  Take half its coefficient (-5.5).
Square it (30.25) and add it to both sides.

Add '30.25' to each side of the equation.
-11x + 30.25 + x2 = -19 + 30.25

Reorder the terms:
30.25 + -11x + x2 = -19 + 30.25

Combine like terms: -19 + 30.25 = 11.25
30.25 + -11x + x2 = 11.25

Factor a perfect square on the left side:
(x + -5.5)(x + -5.5) = 11.25

Calculate the square root of the right side: 3.354101966

Break this problem into two subproblems by setting 
(x + -5.5) equal to 3.354101966 and -3.354101966.

Subproblem 1

x + -5.5 = 3.354101966 Simplifying x + -5.5 = 3.354101966 Reorder the terms: -5.5 + x = 3.354101966 Solving -5.5 + x = 3.354101966 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = 3.354101966 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = 3.354101966 + 5.5 x = 3.354101966 + 5.5 Combine like terms: 3.354101966 + 5.5 = 8.854101966 x = 8.854101966 Simplifying x = 8.854101966

Subproblem 2

x + -5.5 = -3.354101966 Simplifying x + -5.5 = -3.354101966 Reorder the terms: -5.5 + x = -3.354101966 Solving -5.5 + x = -3.354101966 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5.5' to each side of the equation. -5.5 + 5.5 + x = -3.354101966 + 5.5 Combine like terms: -5.5 + 5.5 = 0.0 0.0 + x = -3.354101966 + 5.5 x = -3.354101966 + 5.5 Combine like terms: -3.354101966 + 5.5 = 2.145898034 x = 2.145898034 Simplifying x = 2.145898034

Solution

The solution to the problem is based on the solutions from the subproblems. x = {8.854101966, 2.145898034}

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