x+4=x^2-16x+60

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Solution for x+4=x^2-16x+60 equation:


Simplifying
x + 4 = x2 + -16x + 60

Reorder the terms:
4 + x = x2 + -16x + 60

Reorder the terms:
4 + x = 60 + -16x + x2

Solving
4 + x = 60 + -16x + x2

Solving for variable 'x'.

Reorder the terms:
4 + -60 + x + 16x + -1x2 = 60 + -16x + x2 + -60 + 16x + -1x2

Combine like terms: 4 + -60 = -56
-56 + x + 16x + -1x2 = 60 + -16x + x2 + -60 + 16x + -1x2

Combine like terms: x + 16x = 17x
-56 + 17x + -1x2 = 60 + -16x + x2 + -60 + 16x + -1x2

Reorder the terms:
-56 + 17x + -1x2 = 60 + -60 + -16x + 16x + x2 + -1x2

Combine like terms: 60 + -60 = 0
-56 + 17x + -1x2 = 0 + -16x + 16x + x2 + -1x2
-56 + 17x + -1x2 = -16x + 16x + x2 + -1x2

Combine like terms: -16x + 16x = 0
-56 + 17x + -1x2 = 0 + x2 + -1x2
-56 + 17x + -1x2 = x2 + -1x2

Combine like terms: x2 + -1x2 = 0
-56 + 17x + -1x2 = 0

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

Divide each side by '-1'.
56 + -17x + x2 = 0

Move the constant term to the right:

Add '-56' to each side of the equation.
56 + -17x + -56 + x2 = 0 + -56

Reorder the terms:
56 + -56 + -17x + x2 = 0 + -56

Combine like terms: 56 + -56 = 0
0 + -17x + x2 = 0 + -56
-17x + x2 = 0 + -56

Combine like terms: 0 + -56 = -56
-17x + x2 = -56

The x term is -17x.  Take half its coefficient (-8.5).
Square it (72.25) and add it to both sides.

Add '72.25' to each side of the equation.
-17x + 72.25 + x2 = -56 + 72.25

Reorder the terms:
72.25 + -17x + x2 = -56 + 72.25

Combine like terms: -56 + 72.25 = 16.25
72.25 + -17x + x2 = 16.25

Factor a perfect square on the left side:
(x + -8.5)(x + -8.5) = 16.25

Calculate the square root of the right side: 4.031128874

Break this problem into two subproblems by setting 
(x + -8.5) equal to 4.031128874 and -4.031128874.

Subproblem 1

x + -8.5 = 4.031128874 Simplifying x + -8.5 = 4.031128874 Reorder the terms: -8.5 + x = 4.031128874 Solving -8.5 + x = 4.031128874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.5' to each side of the equation. -8.5 + 8.5 + x = 4.031128874 + 8.5 Combine like terms: -8.5 + 8.5 = 0.0 0.0 + x = 4.031128874 + 8.5 x = 4.031128874 + 8.5 Combine like terms: 4.031128874 + 8.5 = 12.531128874 x = 12.531128874 Simplifying x = 12.531128874

Subproblem 2

x + -8.5 = -4.031128874 Simplifying x + -8.5 = -4.031128874 Reorder the terms: -8.5 + x = -4.031128874 Solving -8.5 + x = -4.031128874 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '8.5' to each side of the equation. -8.5 + 8.5 + x = -4.031128874 + 8.5 Combine like terms: -8.5 + 8.5 = 0.0 0.0 + x = -4.031128874 + 8.5 x = -4.031128874 + 8.5 Combine like terms: -4.031128874 + 8.5 = 4.468871126 x = 4.468871126 Simplifying x = 4.468871126

Solution

The solution to the problem is based on the solutions from the subproblems. x = {12.531128874, 4.468871126}

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