x(x+32)=7

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Solution for x(x+32)=7 equation:


Simplifying
x(x + 32) = 7

Reorder the terms:
x(32 + x) = 7
(32 * x + x * x) = 7
(32x + x2) = 7

Solving
32x + x2 = 7

Solving for variable 'x'.

Reorder the terms:
-7 + 32x + x2 = 7 + -7

Combine like terms: 7 + -7 = 0
-7 + 32x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '7' to each side of the equation.
-7 + 32x + 7 + x2 = 0 + 7

Reorder the terms:
-7 + 7 + 32x + x2 = 0 + 7

Combine like terms: -7 + 7 = 0
0 + 32x + x2 = 0 + 7
32x + x2 = 0 + 7

Combine like terms: 0 + 7 = 7
32x + x2 = 7

The x term is 32x.  Take half its coefficient (16).
Square it (256) and add it to both sides.

Add '256' to each side of the equation.
32x + 256 + x2 = 7 + 256

Reorder the terms:
256 + 32x + x2 = 7 + 256

Combine like terms: 7 + 256 = 263
256 + 32x + x2 = 263

Factor a perfect square on the left side:
(x + 16)(x + 16) = 263

Calculate the square root of the right side: 16.21727474

Break this problem into two subproblems by setting 
(x + 16) equal to 16.21727474 and -16.21727474.

Subproblem 1

x + 16 = 16.21727474 Simplifying x + 16 = 16.21727474 Reorder the terms: 16 + x = 16.21727474 Solving 16 + x = 16.21727474 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = 16.21727474 + -16 Combine like terms: 16 + -16 = 0 0 + x = 16.21727474 + -16 x = 16.21727474 + -16 Combine like terms: 16.21727474 + -16 = 0.21727474 x = 0.21727474 Simplifying x = 0.21727474

Subproblem 2

x + 16 = -16.21727474 Simplifying x + 16 = -16.21727474 Reorder the terms: 16 + x = -16.21727474 Solving 16 + x = -16.21727474 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-16' to each side of the equation. 16 + -16 + x = -16.21727474 + -16 Combine like terms: 16 + -16 = 0 0 + x = -16.21727474 + -16 x = -16.21727474 + -16 Combine like terms: -16.21727474 + -16 = -32.21727474 x = -32.21727474 Simplifying x = -32.21727474

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.21727474, -32.21727474}

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