a^2-12a+34=0

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Solution for a^2-12a+34=0 equation:


Simplifying
a2 + -12a + 34 = 0

Reorder the terms:
34 + -12a + a2 = 0

Solving
34 + -12a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-34' to each side of the equation.
34 + -12a + -34 + a2 = 0 + -34

Reorder the terms:
34 + -34 + -12a + a2 = 0 + -34

Combine like terms: 34 + -34 = 0
0 + -12a + a2 = 0 + -34
-12a + a2 = 0 + -34

Combine like terms: 0 + -34 = -34
-12a + a2 = -34

The a term is -12a.  Take half its coefficient (-6).
Square it (36) and add it to both sides.

Add '36' to each side of the equation.
-12a + 36 + a2 = -34 + 36

Reorder the terms:
36 + -12a + a2 = -34 + 36

Combine like terms: -34 + 36 = 2
36 + -12a + a2 = 2

Factor a perfect square on the left side:
(a + -6)(a + -6) = 2

Calculate the square root of the right side: 1.414213562

Break this problem into two subproblems by setting 
(a + -6) equal to 1.414213562 and -1.414213562.

Subproblem 1

a + -6 = 1.414213562 Simplifying a + -6 = 1.414213562 Reorder the terms: -6 + a = 1.414213562 Solving -6 + a = 1.414213562 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + a = 1.414213562 + 6 Combine like terms: -6 + 6 = 0 0 + a = 1.414213562 + 6 a = 1.414213562 + 6 Combine like terms: 1.414213562 + 6 = 7.414213562 a = 7.414213562 Simplifying a = 7.414213562

Subproblem 2

a + -6 = -1.414213562 Simplifying a + -6 = -1.414213562 Reorder the terms: -6 + a = -1.414213562 Solving -6 + a = -1.414213562 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '6' to each side of the equation. -6 + 6 + a = -1.414213562 + 6 Combine like terms: -6 + 6 = 0 0 + a = -1.414213562 + 6 a = -1.414213562 + 6 Combine like terms: -1.414213562 + 6 = 4.585786438 a = 4.585786438 Simplifying a = 4.585786438

Solution

The solution to the problem is based on the solutions from the subproblems. a = {7.414213562, 4.585786438}

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