(x+3)(x+23+3)=360

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Solution for (x+3)(x+23+3)=360 equation:


Simplifying
(x + 3)(x + 23 + 3) = 360

Reorder the terms:
(3 + x)(x + 23 + 3) = 360

Reorder the terms:
(3 + x)(23 + 3 + x) = 360

Combine like terms: 23 + 3 = 26
(3 + x)(26 + x) = 360

Multiply (3 + x) * (26 + x)
(3(26 + x) + x(26 + x)) = 360
((26 * 3 + x * 3) + x(26 + x)) = 360
((78 + 3x) + x(26 + x)) = 360
(78 + 3x + (26 * x + x * x)) = 360
(78 + 3x + (26x + x2)) = 360

Combine like terms: 3x + 26x = 29x
(78 + 29x + x2) = 360

Solving
78 + 29x + x2 = 360

Solving for variable 'x'.

Reorder the terms:
78 + -360 + 29x + x2 = 360 + -360

Combine like terms: 78 + -360 = -282
-282 + 29x + x2 = 360 + -360

Combine like terms: 360 + -360 = 0
-282 + 29x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '282' to each side of the equation.
-282 + 29x + 282 + x2 = 0 + 282

Reorder the terms:
-282 + 282 + 29x + x2 = 0 + 282

Combine like terms: -282 + 282 = 0
0 + 29x + x2 = 0 + 282
29x + x2 = 0 + 282

Combine like terms: 0 + 282 = 282
29x + x2 = 282

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 = 282 + 210.25

Reorder the terms:
210.25 + 29x + x2 = 282 + 210.25

Combine like terms: 282 + 210.25 = 492.25
210.25 + 29x + x2 = 492.25

Factor a perfect square on the left side:
(x + 14.5)(x + 14.5) = 492.25

Calculate the square root of the right side: 22.186707732

Break this problem into two subproblems by setting 
(x + 14.5) equal to 22.186707732 and -22.186707732.

Subproblem 1

x + 14.5 = 22.186707732 Simplifying x + 14.5 = 22.186707732 Reorder the terms: 14.5 + x = 22.186707732 Solving 14.5 + x = 22.186707732 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 = 22.186707732 + -14.5 Combine like terms: 14.5 + -14.5 = 0.0 0.0 + x = 22.186707732 + -14.5 x = 22.186707732 + -14.5 Combine like terms: 22.186707732 + -14.5 = 7.686707732 x = 7.686707732 Simplifying x = 7.686707732

Subproblem 2

x + 14.5 = -22.186707732 Simplifying x + 14.5 = -22.186707732 Reorder the terms: 14.5 + x = -22.186707732 Solving 14.5 + x = -22.186707732 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 = -22.186707732 + -14.5 Combine like terms: 14.5 + -14.5 = 0.0 0.0 + x = -22.186707732 + -14.5 x = -22.186707732 + -14.5 Combine like terms: -22.186707732 + -14.5 = -36.686707732 x = -36.686707732 Simplifying x = -36.686707732

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.686707732, -36.686707732}

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