x(x+6)=248

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Solution for x(x+6)=248 equation:


Simplifying
x(x + 6) = 248

Reorder the terms:
x(6 + x) = 248
(6 * x + x * x) = 248
(6x + x2) = 248

Solving
6x + x2 = 248

Solving for variable 'x'.

Reorder the terms:
-248 + 6x + x2 = 248 + -248

Combine like terms: 248 + -248 = 0
-248 + 6x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '248' to each side of the equation.
-248 + 6x + 248 + x2 = 0 + 248

Reorder the terms:
-248 + 248 + 6x + x2 = 0 + 248

Combine like terms: -248 + 248 = 0
0 + 6x + x2 = 0 + 248
6x + x2 = 0 + 248

Combine like terms: 0 + 248 = 248
6x + x2 = 248

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = 248 + 9

Reorder the terms:
9 + 6x + x2 = 248 + 9

Combine like terms: 248 + 9 = 257
9 + 6x + x2 = 257

Factor a perfect square on the left side:
(x + 3)(x + 3) = 257

Calculate the square root of the right side: 16.031219542

Break this problem into two subproblems by setting 
(x + 3) equal to 16.031219542 and -16.031219542.

Subproblem 1

x + 3 = 16.031219542 Simplifying x + 3 = 16.031219542 Reorder the terms: 3 + x = 16.031219542 Solving 3 + x = 16.031219542 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 16.031219542 + -3 Combine like terms: 3 + -3 = 0 0 + x = 16.031219542 + -3 x = 16.031219542 + -3 Combine like terms: 16.031219542 + -3 = 13.031219542 x = 13.031219542 Simplifying x = 13.031219542

Subproblem 2

x + 3 = -16.031219542 Simplifying x + 3 = -16.031219542 Reorder the terms: 3 + x = -16.031219542 Solving 3 + x = -16.031219542 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -16.031219542 + -3 Combine like terms: 3 + -3 = 0 0 + x = -16.031219542 + -3 x = -16.031219542 + -3 Combine like terms: -16.031219542 + -3 = -19.031219542 x = -19.031219542 Simplifying x = -19.031219542

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.031219542, -19.031219542}

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