14x^2+x-5=

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Solution for 14x^2+x-5= equation:


Simplifying
14x2 + x + -5 = 0

Reorder the terms:
-5 + x + 14x2 = 0

Solving
-5 + x + 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'.
-0.3571428571 + 0.07142857143x + x2 = 0

Move the constant term to the right:

Add '0.3571428571' to each side of the equation.
-0.3571428571 + 0.07142857143x + 0.3571428571 + x2 = 0 + 0.3571428571

Reorder the terms:
-0.3571428571 + 0.3571428571 + 0.07142857143x + x2 = 0 + 0.3571428571

Combine like terms: -0.3571428571 + 0.3571428571 = 0.0000000000
0.0000000000 + 0.07142857143x + x2 = 0 + 0.3571428571
0.07142857143x + x2 = 0 + 0.3571428571

Combine like terms: 0 + 0.3571428571 = 0.3571428571
0.07142857143x + x2 = 0.3571428571

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
0.07142857143x + 0.25 + x2 = 0.3571428571 + 0.25

Reorder the terms:
0.25 + 0.07142857143x + x2 = 0.3571428571 + 0.25

Combine like terms: 0.3571428571 + 0.25 = 0.6071428571
0.25 + 0.07142857143x + x2 = 0.6071428571

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 0.6071428571

Calculate the square root of the right side: 0.779193722

Break this problem into two subproblems by setting 
(x + 0.5) equal to 0.779193722 and -0.779193722.

Subproblem 1

x + 0.5 = 0.779193722 Simplifying x + 0.5 = 0.779193722 Reorder the terms: 0.5 + x = 0.779193722 Solving 0.5 + x = 0.779193722 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 0.779193722 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 0.779193722 + -0.5 x = 0.779193722 + -0.5 Combine like terms: 0.779193722 + -0.5 = 0.279193722 x = 0.279193722 Simplifying x = 0.279193722

Subproblem 2

x + 0.5 = -0.779193722 Simplifying x + 0.5 = -0.779193722 Reorder the terms: 0.5 + x = -0.779193722 Solving 0.5 + x = -0.779193722 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -0.779193722 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -0.779193722 + -0.5 x = -0.779193722 + -0.5 Combine like terms: -0.779193722 + -0.5 = -1.279193722 x = -1.279193722 Simplifying x = -1.279193722

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.279193722, -1.279193722}

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