5x^2+30x+32=0

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Solution for 5x^2+30x+32=0 equation:


Simplifying
5x2 + 30x + 32 = 0

Reorder the terms:
32 + 30x + 5x2 = 0

Solving
32 + 30x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
6.4 + 6x + x2 = 0

Move the constant term to the right:

Add '-6.4' to each side of the equation.
6.4 + 6x + -6.4 + x2 = 0 + -6.4

Reorder the terms:
6.4 + -6.4 + 6x + x2 = 0 + -6.4

Combine like terms: 6.4 + -6.4 = 0.0
0.0 + 6x + x2 = 0 + -6.4
6x + x2 = 0 + -6.4

Combine like terms: 0 + -6.4 = -6.4
6x + x2 = -6.4

The x term is 6x.  Take half its coefficient (3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
6x + 9 + x2 = -6.4 + 9

Reorder the terms:
9 + 6x + x2 = -6.4 + 9

Combine like terms: -6.4 + 9 = 2.6
9 + 6x + x2 = 2.6

Factor a perfect square on the left side:
(x + 3)(x + 3) = 2.6

Calculate the square root of the right side: 1.61245155

Break this problem into two subproblems by setting 
(x + 3) equal to 1.61245155 and -1.61245155.

Subproblem 1

x + 3 = 1.61245155 Simplifying x + 3 = 1.61245155 Reorder the terms: 3 + x = 1.61245155 Solving 3 + x = 1.61245155 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = 1.61245155 + -3 Combine like terms: 3 + -3 = 0 0 + x = 1.61245155 + -3 x = 1.61245155 + -3 Combine like terms: 1.61245155 + -3 = -1.38754845 x = -1.38754845 Simplifying x = -1.38754845

Subproblem 2

x + 3 = -1.61245155 Simplifying x + 3 = -1.61245155 Reorder the terms: 3 + x = -1.61245155 Solving 3 + x = -1.61245155 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3' to each side of the equation. 3 + -3 + x = -1.61245155 + -3 Combine like terms: 3 + -3 = 0 0 + x = -1.61245155 + -3 x = -1.61245155 + -3 Combine like terms: -1.61245155 + -3 = -4.61245155 x = -4.61245155 Simplifying x = -4.61245155

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.38754845, -4.61245155}

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