27x^2+14x-5=0

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Solution for 27x^2+14x-5=0 equation:


Simplifying
27x2 + 14x + -5 = 0

Reorder the terms:
-5 + 14x + 27x2 = 0

Solving
-5 + 14x + 27x2 = 0

Solving for variable 'x'.

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

Divide each side by '27'.
-0.1851851852 + 0.5185185185x + x2 = 0

Move the constant term to the right:

Add '0.1851851852' to each side of the equation.
-0.1851851852 + 0.5185185185x + 0.1851851852 + x2 = 0 + 0.1851851852

Reorder the terms:
-0.1851851852 + 0.1851851852 + 0.5185185185x + x2 = 0 + 0.1851851852

Combine like terms: -0.1851851852 + 0.1851851852 = 0.0000000000
0.0000000000 + 0.5185185185x + x2 = 0 + 0.1851851852
0.5185185185x + x2 = 0 + 0.1851851852

Combine like terms: 0 + 0.1851851852 = 0.1851851852
0.5185185185x + x2 = 0.1851851852

The x term is 0.5185185185x.  Take half its coefficient (0.2592592593).
Square it (0.06721536353) and add it to both sides.

Add '0.06721536353' to each side of the equation.
0.5185185185x + 0.06721536353 + x2 = 0.1851851852 + 0.06721536353

Reorder the terms:
0.06721536353 + 0.5185185185x + x2 = 0.1851851852 + 0.06721536353

Combine like terms: 0.1851851852 + 0.06721536353 = 0.25240054873
0.06721536353 + 0.5185185185x + x2 = 0.25240054873

Factor a perfect square on the left side:
(x + 0.2592592593)(x + 0.2592592593) = 0.25240054873

Calculate the square root of the right side: 0.502394814

Break this problem into two subproblems by setting 
(x + 0.2592592593) equal to 0.502394814 and -0.502394814.

Subproblem 1

x + 0.2592592593 = 0.502394814 Simplifying x + 0.2592592593 = 0.502394814 Reorder the terms: 0.2592592593 + x = 0.502394814 Solving 0.2592592593 + x = 0.502394814 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2592592593' to each side of the equation. 0.2592592593 + -0.2592592593 + x = 0.502394814 + -0.2592592593 Combine like terms: 0.2592592593 + -0.2592592593 = 0.0000000000 0.0000000000 + x = 0.502394814 + -0.2592592593 x = 0.502394814 + -0.2592592593 Combine like terms: 0.502394814 + -0.2592592593 = 0.2431355547 x = 0.2431355547 Simplifying x = 0.2431355547

Subproblem 2

x + 0.2592592593 = -0.502394814 Simplifying x + 0.2592592593 = -0.502394814 Reorder the terms: 0.2592592593 + x = -0.502394814 Solving 0.2592592593 + x = -0.502394814 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.2592592593' to each side of the equation. 0.2592592593 + -0.2592592593 + x = -0.502394814 + -0.2592592593 Combine like terms: 0.2592592593 + -0.2592592593 = 0.0000000000 0.0000000000 + x = -0.502394814 + -0.2592592593 x = -0.502394814 + -0.2592592593 Combine like terms: -0.502394814 + -0.2592592593 = -0.7616540733 x = -0.7616540733 Simplifying x = -0.7616540733

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.2431355547, -0.7616540733}

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