x^2-22x+39=7x+3

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Solution for x^2-22x+39=7x+3 equation:


Simplifying
x2 + -22x + 39 = 7x + 3

Reorder the terms:
39 + -22x + x2 = 7x + 3

Reorder the terms:
39 + -22x + x2 = 3 + 7x

Solving
39 + -22x + x2 = 3 + 7x

Solving for variable 'x'.

Reorder the terms:
39 + -3 + -22x + -7x + x2 = 3 + 7x + -3 + -7x

Combine like terms: 39 + -3 = 36
36 + -22x + -7x + x2 = 3 + 7x + -3 + -7x

Combine like terms: -22x + -7x = -29x
36 + -29x + x2 = 3 + 7x + -3 + -7x

Reorder the terms:
36 + -29x + x2 = 3 + -3 + 7x + -7x

Combine like terms: 3 + -3 = 0
36 + -29x + x2 = 0 + 7x + -7x
36 + -29x + x2 = 7x + -7x

Combine like terms: 7x + -7x = 0
36 + -29x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-36' to each side of the equation.
36 + -29x + -36 + x2 = 0 + -36

Reorder the terms:
36 + -36 + -29x + x2 = 0 + -36

Combine like terms: 36 + -36 = 0
0 + -29x + x2 = 0 + -36
-29x + x2 = 0 + -36

Combine like terms: 0 + -36 = -36
-29x + x2 = -36

The x term is -29x.  Take half its coefficient (-14.5).
Square it (210.25) and add it to both sides.

Add '210.25' to each side of the equation.
-29x + 210.25 + x2 = -36 + 210.25

Reorder the terms:
210.25 + -29x + x2 = -36 + 210.25

Combine like terms: -36 + 210.25 = 174.25
210.25 + -29x + x2 = 174.25

Factor a perfect square on the left side:
(x + -14.5)(x + -14.5) = 174.25

Calculate the square root of the right side: 13.200378782

Break this problem into two subproblems by setting 
(x + -14.5) equal to 13.200378782 and -13.200378782.

Subproblem 1

x + -14.5 = 13.200378782 Simplifying x + -14.5 = 13.200378782 Reorder the terms: -14.5 + x = 13.200378782 Solving -14.5 + x = 13.200378782 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = 13.200378782 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = 13.200378782 + 14.5 x = 13.200378782 + 14.5 Combine like terms: 13.200378782 + 14.5 = 27.700378782 x = 27.700378782 Simplifying x = 27.700378782

Subproblem 2

x + -14.5 = -13.200378782 Simplifying x + -14.5 = -13.200378782 Reorder the terms: -14.5 + x = -13.200378782 Solving -14.5 + x = -13.200378782 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '14.5' to each side of the equation. -14.5 + 14.5 + x = -13.200378782 + 14.5 Combine like terms: -14.5 + 14.5 = 0.0 0.0 + x = -13.200378782 + 14.5 x = -13.200378782 + 14.5 Combine like terms: -13.200378782 + 14.5 = 1.299621218 x = 1.299621218 Simplifying x = 1.299621218

Solution

The solution to the problem is based on the solutions from the subproblems. x = {27.700378782, 1.299621218}

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