a^2+36a+8=

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Solution for a^2+36a+8= equation:


Simplifying
a2 + 36a + 8 = 0

Reorder the terms:
8 + 36a + a2 = 0

Solving
8 + 36a + a2 = 0

Solving for variable 'a'.

Begin completing the square.

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + 36a + -8 + a2 = 0 + -8

Reorder the terms:
8 + -8 + 36a + a2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + 36a + a2 = 0 + -8
36a + a2 = 0 + -8

Combine like terms: 0 + -8 = -8
36a + a2 = -8

The a term is 36a.  Take half its coefficient (18).
Square it (324) and add it to both sides.

Add '324' to each side of the equation.
36a + 324 + a2 = -8 + 324

Reorder the terms:
324 + 36a + a2 = -8 + 324

Combine like terms: -8 + 324 = 316
324 + 36a + a2 = 316

Factor a perfect square on the left side:
(a + 18)(a + 18) = 316

Calculate the square root of the right side: 17.776388835

Break this problem into two subproblems by setting 
(a + 18) equal to 17.776388835 and -17.776388835.

Subproblem 1

a + 18 = 17.776388835 Simplifying a + 18 = 17.776388835 Reorder the terms: 18 + a = 17.776388835 Solving 18 + a = 17.776388835 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + a = 17.776388835 + -18 Combine like terms: 18 + -18 = 0 0 + a = 17.776388835 + -18 a = 17.776388835 + -18 Combine like terms: 17.776388835 + -18 = -0.223611165 a = -0.223611165 Simplifying a = -0.223611165

Subproblem 2

a + 18 = -17.776388835 Simplifying a + 18 = -17.776388835 Reorder the terms: 18 + a = -17.776388835 Solving 18 + a = -17.776388835 Solving for variable 'a'. Move all terms containing a to the left, all other terms to the right. Add '-18' to each side of the equation. 18 + -18 + a = -17.776388835 + -18 Combine like terms: 18 + -18 = 0 0 + a = -17.776388835 + -18 a = -17.776388835 + -18 Combine like terms: -17.776388835 + -18 = -35.776388835 a = -35.776388835 Simplifying a = -35.776388835

Solution

The solution to the problem is based on the solutions from the subproblems. a = {-0.223611165, -35.776388835}

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