3a^2+36a+10=

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Solution for 3a^2+36a+10= equation:


Simplifying
3a2 + 36a + 10 = 0

Reorder the terms:
10 + 36a + 3a2 = 0

Solving
10 + 36a + 3a2 = 0

Solving for variable 'a'.

Begin completing the square.  Divide all terms by
3 the coefficient of the squared term: 

Divide each side by '3'.
3.333333333 + 12a + a2 = 0

Move the constant term to the right:

Add '-3.333333333' to each side of the equation.
3.333333333 + 12a + -3.333333333 + a2 = 0 + -3.333333333

Reorder the terms:
3.333333333 + -3.333333333 + 12a + a2 = 0 + -3.333333333

Combine like terms: 3.333333333 + -3.333333333 = 0.000000000
0.000000000 + 12a + a2 = 0 + -3.333333333
12a + a2 = 0 + -3.333333333

Combine like terms: 0 + -3.333333333 = -3.333333333
12a + a2 = -3.333333333

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 = -3.333333333 + 36

Reorder the terms:
36 + 12a + a2 = -3.333333333 + 36

Combine like terms: -3.333333333 + 36 = 32.666666667
36 + 12a + a2 = 32.666666667

Factor a perfect square on the left side:
(a + 6)(a + 6) = 32.666666667

Calculate the square root of the right side: 5.715476067

Break this problem into two subproblems by setting 
(a + 6) equal to 5.715476067 and -5.715476067.

Subproblem 1

a + 6 = 5.715476067 Simplifying a + 6 = 5.715476067 Reorder the terms: 6 + a = 5.715476067 Solving 6 + a = 5.715476067 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 = 5.715476067 + -6 Combine like terms: 6 + -6 = 0 0 + a = 5.715476067 + -6 a = 5.715476067 + -6 Combine like terms: 5.715476067 + -6 = -0.284523933 a = -0.284523933 Simplifying a = -0.284523933

Subproblem 2

a + 6 = -5.715476067 Simplifying a + 6 = -5.715476067 Reorder the terms: 6 + a = -5.715476067 Solving 6 + a = -5.715476067 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 = -5.715476067 + -6 Combine like terms: 6 + -6 = 0 0 + a = -5.715476067 + -6 a = -5.715476067 + -6 Combine like terms: -5.715476067 + -6 = -11.715476067 a = -11.715476067 Simplifying a = -11.715476067

Solution

The solution to the problem is based on the solutions from the subproblems. a = {-0.284523933, -11.715476067}

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