3x^2+30x+32=0

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Solution for 3x^2+30x+32=0 equation:


Simplifying
3x2 + 30x + 32 = 0

Reorder the terms:
32 + 30x + 3x2 = 0

Solving
32 + 30x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
10.66666667 + 10x + x2 = 0

Move the constant term to the right:

Add '-10.66666667' to each side of the equation.
10.66666667 + 10x + -10.66666667 + x2 = 0 + -10.66666667

Reorder the terms:
10.66666667 + -10.66666667 + 10x + x2 = 0 + -10.66666667

Combine like terms: 10.66666667 + -10.66666667 = 0.00000000
0.00000000 + 10x + x2 = 0 + -10.66666667
10x + x2 = 0 + -10.66666667

Combine like terms: 0 + -10.66666667 = -10.66666667
10x + x2 = -10.66666667

The x term is 10x.  Take half its coefficient (5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
10x + 25 + x2 = -10.66666667 + 25

Reorder the terms:
25 + 10x + x2 = -10.66666667 + 25

Combine like terms: -10.66666667 + 25 = 14.33333333
25 + 10x + x2 = 14.33333333

Factor a perfect square on the left side:
(x + 5)(x + 5) = 14.33333333

Calculate the square root of the right side: 3.785938897

Break this problem into two subproblems by setting 
(x + 5) equal to 3.785938897 and -3.785938897.

Subproblem 1

x + 5 = 3.785938897 Simplifying x + 5 = 3.785938897 Reorder the terms: 5 + x = 3.785938897 Solving 5 + x = 3.785938897 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = 3.785938897 + -5 Combine like terms: 5 + -5 = 0 0 + x = 3.785938897 + -5 x = 3.785938897 + -5 Combine like terms: 3.785938897 + -5 = -1.214061103 x = -1.214061103 Simplifying x = -1.214061103

Subproblem 2

x + 5 = -3.785938897 Simplifying x + 5 = -3.785938897 Reorder the terms: 5 + x = -3.785938897 Solving 5 + x = -3.785938897 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-5' to each side of the equation. 5 + -5 + x = -3.785938897 + -5 Combine like terms: 5 + -5 = 0 0 + x = -3.785938897 + -5 x = -3.785938897 + -5 Combine like terms: -3.785938897 + -5 = -8.785938897 x = -8.785938897 Simplifying x = -8.785938897

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.214061103, -8.785938897}

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