14x^2+16x-27=

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Solution for 14x^2+16x-27= equation:


Simplifying
14x2 + 16x + -27 = 0

Reorder the terms:
-27 + 16x + 14x2 = 0

Solving
-27 + 16x + 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'.
-1.928571429 + 1.142857143x + x2 = 0

Move the constant term to the right:

Add '1.928571429' to each side of the equation.
-1.928571429 + 1.142857143x + 1.928571429 + x2 = 0 + 1.928571429

Reorder the terms:
-1.928571429 + 1.928571429 + 1.142857143x + x2 = 0 + 1.928571429

Combine like terms: -1.928571429 + 1.928571429 = 0.000000000
0.000000000 + 1.142857143x + x2 = 0 + 1.928571429
1.142857143x + x2 = 0 + 1.928571429

Combine like terms: 0 + 1.928571429 = 1.928571429
1.142857143x + x2 = 1.928571429

The x term is 1.142857143x.  Take half its coefficient (0.5714285715).
Square it (0.3265306123) and add it to both sides.

Add '0.3265306123' to each side of the equation.
1.142857143x + 0.3265306123 + x2 = 1.928571429 + 0.3265306123

Reorder the terms:
0.3265306123 + 1.142857143x + x2 = 1.928571429 + 0.3265306123

Combine like terms: 1.928571429 + 0.3265306123 = 2.2551020413
0.3265306123 + 1.142857143x + x2 = 2.2551020413

Factor a perfect square on the left side:
(x + 0.5714285715)(x + 0.5714285715) = 2.2551020413

Calculate the square root of the right side: 1.501699717

Break this problem into two subproblems by setting 
(x + 0.5714285715) equal to 1.501699717 and -1.501699717.

Subproblem 1

x + 0.5714285715 = 1.501699717 Simplifying x + 0.5714285715 = 1.501699717 Reorder the terms: 0.5714285715 + x = 1.501699717 Solving 0.5714285715 + x = 1.501699717 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5714285715' to each side of the equation. 0.5714285715 + -0.5714285715 + x = 1.501699717 + -0.5714285715 Combine like terms: 0.5714285715 + -0.5714285715 = 0.0000000000 0.0000000000 + x = 1.501699717 + -0.5714285715 x = 1.501699717 + -0.5714285715 Combine like terms: 1.501699717 + -0.5714285715 = 0.9302711455 x = 0.9302711455 Simplifying x = 0.9302711455

Subproblem 2

x + 0.5714285715 = -1.501699717 Simplifying x + 0.5714285715 = -1.501699717 Reorder the terms: 0.5714285715 + x = -1.501699717 Solving 0.5714285715 + x = -1.501699717 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5714285715' to each side of the equation. 0.5714285715 + -0.5714285715 + x = -1.501699717 + -0.5714285715 Combine like terms: 0.5714285715 + -0.5714285715 = 0.0000000000 0.0000000000 + x = -1.501699717 + -0.5714285715 x = -1.501699717 + -0.5714285715 Combine like terms: -1.501699717 + -0.5714285715 = -2.0731282885 x = -2.0731282885 Simplifying x = -2.0731282885

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.9302711455, -2.0731282885}

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