14x^2+1x-14=0

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


Simplifying
14x2 + 1x + -14 = 0

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

Solving
-14 + 1x + 14x2 = 0

Solving for variable 'x'.

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

Divide each side by '14'.
-1 + 0.07142857143x + x2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + 0.07142857143x + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + 0.07142857143x + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + 0.07142857143x + x2 = 0 + 1
0.07142857143x + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
0.07142857143x + x2 = 1

The x term is 0.07142857143x.  Take half its coefficient (0.03571428572).
Square it (0.001275510204) and add it to both sides.

Add '0.001275510204' to each side of the equation.
0.07142857143x + 0.001275510204 + x2 = 1 + 0.001275510204

Reorder the terms:
0.001275510204 + 0.07142857143x + x2 = 1 + 0.001275510204

Combine like terms: 1 + 0.001275510204 = 1.001275510204
0.001275510204 + 0.07142857143x + x2 = 1.001275510204

Factor a perfect square on the left side:
(x + 0.03571428572)(x + 0.03571428572) = 1.001275510204

Calculate the square root of the right side: 1.000637552

Break this problem into two subproblems by setting 
(x + 0.03571428572) equal to 1.000637552 and -1.000637552.

Subproblem 1

x + 0.03571428572 = 1.000637552 Simplifying x + 0.03571428572 = 1.000637552 Reorder the terms: 0.03571428572 + x = 1.000637552 Solving 0.03571428572 + x = 1.000637552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.03571428572' to each side of the equation. 0.03571428572 + -0.03571428572 + x = 1.000637552 + -0.03571428572 Combine like terms: 0.03571428572 + -0.03571428572 = 0.00000000000 0.00000000000 + x = 1.000637552 + -0.03571428572 x = 1.000637552 + -0.03571428572 Combine like terms: 1.000637552 + -0.03571428572 = 0.96492326628 x = 0.96492326628 Simplifying x = 0.96492326628

Subproblem 2

x + 0.03571428572 = -1.000637552 Simplifying x + 0.03571428572 = -1.000637552 Reorder the terms: 0.03571428572 + x = -1.000637552 Solving 0.03571428572 + x = -1.000637552 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.03571428572' to each side of the equation. 0.03571428572 + -0.03571428572 + x = -1.000637552 + -0.03571428572 Combine like terms: 0.03571428572 + -0.03571428572 = 0.00000000000 0.00000000000 + x = -1.000637552 + -0.03571428572 x = -1.000637552 + -0.03571428572 Combine like terms: -1.000637552 + -0.03571428572 = -1.03635183772 x = -1.03635183772 Simplifying x = -1.03635183772

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.96492326628, -1.03635183772}

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