a^2-12a-37=0

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Solution for a^2-12a-37=0 equation:


Simplifying
a2 + -12a + -37 = 0

Reorder the terms:
-37 + -12a + a2 = 0

Solving
-37 + -12a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '37' to each side of the equation.
-37 + -12a + 37 + a2 = 0 + 37

Reorder the terms:
-37 + 37 + -12a + a2 = 0 + 37

Combine like terms: -37 + 37 = 0
0 + -12a + a2 = 0 + 37
-12a + a2 = 0 + 37

Combine like terms: 0 + 37 = 37
-12a + a2 = 37

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 = 37 + 36

Reorder the terms:
36 + -12a + a2 = 37 + 36

Combine like terms: 37 + 36 = 73
36 + -12a + a2 = 73

Factor a perfect square on the left side:
(a + -6)(a + -6) = 73

Calculate the square root of the right side: 8.544003745

Break this problem into two subproblems by setting 
(a + -6) equal to 8.544003745 and -8.544003745.

Subproblem 1

a + -6 = 8.544003745 Simplifying a + -6 = 8.544003745 Reorder the terms: -6 + a = 8.544003745 Solving -6 + a = 8.544003745 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 = 8.544003745 + 6 Combine like terms: -6 + 6 = 0 0 + a = 8.544003745 + 6 a = 8.544003745 + 6 Combine like terms: 8.544003745 + 6 = 14.544003745 a = 14.544003745 Simplifying a = 14.544003745

Subproblem 2

a + -6 = -8.544003745 Simplifying a + -6 = -8.544003745 Reorder the terms: -6 + a = -8.544003745 Solving -6 + a = -8.544003745 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 = -8.544003745 + 6 Combine like terms: -6 + 6 = 0 0 + a = -8.544003745 + 6 a = -8.544003745 + 6 Combine like terms: -8.544003745 + 6 = -2.544003745 a = -2.544003745 Simplifying a = -2.544003745

Solution

The solution to the problem is based on the solutions from the subproblems. a = {14.544003745, -2.544003745}

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