16x^2+14x+1=0

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Solution for 16x^2+14x+1=0 equation:


Simplifying
16x2 + 14x + 1 = 0

Reorder the terms:
1 + 14x + 16x2 = 0

Solving
1 + 14x + 16x2 = 0

Solving for variable 'x'.

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

Divide each side by '16'.
0.0625 + 0.875x + x2 = 0

Move the constant term to the right:

Add '-0.0625' to each side of the equation.
0.0625 + 0.875x + -0.0625 + x2 = 0 + -0.0625

Reorder the terms:
0.0625 + -0.0625 + 0.875x + x2 = 0 + -0.0625

Combine like terms: 0.0625 + -0.0625 = 0.0000
0.0000 + 0.875x + x2 = 0 + -0.0625
0.875x + x2 = 0 + -0.0625

Combine like terms: 0 + -0.0625 = -0.0625
0.875x + x2 = -0.0625

The x term is 0.875x.  Take half its coefficient (0.4375).
Square it (0.19140625) and add it to both sides.

Add '0.19140625' to each side of the equation.
0.875x + 0.19140625 + x2 = -0.0625 + 0.19140625

Reorder the terms:
0.19140625 + 0.875x + x2 = -0.0625 + 0.19140625

Combine like terms: -0.0625 + 0.19140625 = 0.12890625
0.19140625 + 0.875x + x2 = 0.12890625

Factor a perfect square on the left side:
(x + 0.4375)(x + 0.4375) = 0.12890625

Calculate the square root of the right side: 0.359035165

Break this problem into two subproblems by setting 
(x + 0.4375) equal to 0.359035165 and -0.359035165.

Subproblem 1

x + 0.4375 = 0.359035165 Simplifying x + 0.4375 = 0.359035165 Reorder the terms: 0.4375 + x = 0.359035165 Solving 0.4375 + x = 0.359035165 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4375' to each side of the equation. 0.4375 + -0.4375 + x = 0.359035165 + -0.4375 Combine like terms: 0.4375 + -0.4375 = 0.0000 0.0000 + x = 0.359035165 + -0.4375 x = 0.359035165 + -0.4375 Combine like terms: 0.359035165 + -0.4375 = -0.078464835 x = -0.078464835 Simplifying x = -0.078464835

Subproblem 2

x + 0.4375 = -0.359035165 Simplifying x + 0.4375 = -0.359035165 Reorder the terms: 0.4375 + x = -0.359035165 Solving 0.4375 + x = -0.359035165 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4375' to each side of the equation. 0.4375 + -0.4375 + x = -0.359035165 + -0.4375 Combine like terms: 0.4375 + -0.4375 = 0.0000 0.0000 + x = -0.359035165 + -0.4375 x = -0.359035165 + -0.4375 Combine like terms: -0.359035165 + -0.4375 = -0.796535165 x = -0.796535165 Simplifying x = -0.796535165

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.078464835, -0.796535165}

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