(x-12)(x-12)=17

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Solution for (x-12)(x-12)=17 equation:


Simplifying
(x + -12)(x + -12) = 17

Reorder the terms:
(-12 + x)(x + -12) = 17

Reorder the terms:
(-12 + x)(-12 + x) = 17

Multiply (-12 + x) * (-12 + x)
(-12(-12 + x) + x(-12 + x)) = 17
((-12 * -12 + x * -12) + x(-12 + x)) = 17
((144 + -12x) + x(-12 + x)) = 17
(144 + -12x + (-12 * x + x * x)) = 17
(144 + -12x + (-12x + x2)) = 17

Combine like terms: -12x + -12x = -24x
(144 + -24x + x2) = 17

Solving
144 + -24x + x2 = 17

Solving for variable 'x'.

Reorder the terms:
144 + -17 + -24x + x2 = 17 + -17

Combine like terms: 144 + -17 = 127
127 + -24x + x2 = 17 + -17

Combine like terms: 17 + -17 = 0
127 + -24x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '-127' to each side of the equation.
127 + -24x + -127 + x2 = 0 + -127

Reorder the terms:
127 + -127 + -24x + x2 = 0 + -127

Combine like terms: 127 + -127 = 0
0 + -24x + x2 = 0 + -127
-24x + x2 = 0 + -127

Combine like terms: 0 + -127 = -127
-24x + x2 = -127

The x term is -24x.  Take half its coefficient (-12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
-24x + 144 + x2 = -127 + 144

Reorder the terms:
144 + -24x + x2 = -127 + 144

Combine like terms: -127 + 144 = 17
144 + -24x + x2 = 17

Factor a perfect square on the left side:
(x + -12)(x + -12) = 17

Calculate the square root of the right side: 4.123105626

Break this problem into two subproblems by setting 
(x + -12) equal to 4.123105626 and -4.123105626.

Subproblem 1

x + -12 = 4.123105626 Simplifying x + -12 = 4.123105626 Reorder the terms: -12 + x = 4.123105626 Solving -12 + x = 4.123105626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + x = 4.123105626 + 12 Combine like terms: -12 + 12 = 0 0 + x = 4.123105626 + 12 x = 4.123105626 + 12 Combine like terms: 4.123105626 + 12 = 16.123105626 x = 16.123105626 Simplifying x = 16.123105626

Subproblem 2

x + -12 = -4.123105626 Simplifying x + -12 = -4.123105626 Reorder the terms: -12 + x = -4.123105626 Solving -12 + x = -4.123105626 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '12' to each side of the equation. -12 + 12 + x = -4.123105626 + 12 Combine like terms: -12 + 12 = 0 0 + x = -4.123105626 + 12 x = -4.123105626 + 12 Combine like terms: -4.123105626 + 12 = 7.876894374 x = 7.876894374 Simplifying x = 7.876894374

Solution

The solution to the problem is based on the solutions from the subproblems. x = {16.123105626, 7.876894374}

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