-16.1x^2+4x+32.6=0

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Solution for -16.1x^2+4x+32.6=0 equation:


Simplifying
-16.1x2 + 4x + 32.6 = 0

Reorder the terms:
32.6 + 4x + -16.1x2 = 0

Solving
32.6 + 4x + -16.1x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-16.1 the coefficient of the squared term: 

Divide each side by '-16.1'.
-2.02484472 + -0.248447205x + x2 = 0

Move the constant term to the right:

Add '2.02484472' to each side of the equation.
-2.02484472 + -0.248447205x + 2.02484472 + x2 = 0 + 2.02484472

Reorder the terms:
-2.02484472 + 2.02484472 + -0.248447205x + x2 = 0 + 2.02484472

Combine like terms: -2.02484472 + 2.02484472 = 0.00000000
0.00000000 + -0.248447205x + x2 = 0 + 2.02484472
-0.248447205x + x2 = 0 + 2.02484472

Combine like terms: 0 + 2.02484472 = 2.02484472
-0.248447205x + x2 = 2.02484472

The x term is -0.248447205x.  Take half its coefficient (-0.1242236025).
Square it (0.01543150342) and add it to both sides.

Add '0.01543150342' to each side of the equation.
-0.248447205x + 0.01543150342 + x2 = 2.02484472 + 0.01543150342

Reorder the terms:
0.01543150342 + -0.248447205x + x2 = 2.02484472 + 0.01543150342

Combine like terms: 2.02484472 + 0.01543150342 = 2.04027622342
0.01543150342 + -0.248447205x + x2 = 2.04027622342

Factor a perfect square on the left side:
(x + -0.1242236025)(x + -0.1242236025) = 2.04027622342

Calculate the square root of the right side: 1.42838238

Break this problem into two subproblems by setting 
(x + -0.1242236025) equal to 1.42838238 and -1.42838238.

Subproblem 1

x + -0.1242236025 = 1.42838238 Simplifying x + -0.1242236025 = 1.42838238 Reorder the terms: -0.1242236025 + x = 1.42838238 Solving -0.1242236025 + x = 1.42838238 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1242236025' to each side of the equation. -0.1242236025 + 0.1242236025 + x = 1.42838238 + 0.1242236025 Combine like terms: -0.1242236025 + 0.1242236025 = 0.0000000000 0.0000000000 + x = 1.42838238 + 0.1242236025 x = 1.42838238 + 0.1242236025 Combine like terms: 1.42838238 + 0.1242236025 = 1.5526059825 x = 1.5526059825 Simplifying x = 1.5526059825

Subproblem 2

x + -0.1242236025 = -1.42838238 Simplifying x + -0.1242236025 = -1.42838238 Reorder the terms: -0.1242236025 + x = -1.42838238 Solving -0.1242236025 + x = -1.42838238 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1242236025' to each side of the equation. -0.1242236025 + 0.1242236025 + x = -1.42838238 + 0.1242236025 Combine like terms: -0.1242236025 + 0.1242236025 = 0.0000000000 0.0000000000 + x = -1.42838238 + 0.1242236025 x = -1.42838238 + 0.1242236025 Combine like terms: -1.42838238 + 0.1242236025 = -1.3041587775 x = -1.3041587775 Simplifying x = -1.3041587775

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.5526059825, -1.3041587775}

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