x^2+42=32x

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Solution for x^2+42=32x equation:


Simplifying
x2 + 42 = 32x

Reorder the terms:
42 + x2 = 32x

Solving
42 + x2 = 32x

Solving for variable 'x'.

Reorder the terms:
42 + -32x + x2 = 32x + -32x

Combine like terms: 32x + -32x = 0
42 + -32x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-42' to each side of the equation.
42 + -32x + -42 + x2 = 0 + -42

Reorder the terms:
42 + -42 + -32x + x2 = 0 + -42

Combine like terms: 42 + -42 = 0
0 + -32x + x2 = 0 + -42
-32x + x2 = 0 + -42

Combine like terms: 0 + -42 = -42
-32x + x2 = -42

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 = -42 + 256

Reorder the terms:
256 + -32x + x2 = -42 + 256

Combine like terms: -42 + 256 = 214
256 + -32x + x2 = 214

Factor a perfect square on the left side:
(x + -16)(x + -16) = 214

Calculate the square root of the right side: 14.628738838

Break this problem into two subproblems by setting 
(x + -16) equal to 14.628738838 and -14.628738838.

Subproblem 1

x + -16 = 14.628738838 Simplifying x + -16 = 14.628738838 Reorder the terms: -16 + x = 14.628738838 Solving -16 + x = 14.628738838 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 = 14.628738838 + 16 Combine like terms: -16 + 16 = 0 0 + x = 14.628738838 + 16 x = 14.628738838 + 16 Combine like terms: 14.628738838 + 16 = 30.628738838 x = 30.628738838 Simplifying x = 30.628738838

Subproblem 2

x + -16 = -14.628738838 Simplifying x + -16 = -14.628738838 Reorder the terms: -16 + x = -14.628738838 Solving -16 + x = -14.628738838 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 = -14.628738838 + 16 Combine like terms: -16 + 16 = 0 0 + x = -14.628738838 + 16 x = -14.628738838 + 16 Combine like terms: -14.628738838 + 16 = 1.371261162 x = 1.371261162 Simplifying x = 1.371261162

Solution

The solution to the problem is based on the solutions from the subproblems. x = {30.628738838, 1.371261162}

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