14x^2+12x-3=

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Solution for 14x^2+12x-3= equation:


Simplifying
14x2 + 12x + -3 = 0

Reorder the terms:
-3 + 12x + 14x2 = 0

Solving
-3 + 12x + 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'.
-0.2142857143 + 0.8571428571x + x2 = 0

Move the constant term to the right:

Add '0.2142857143' to each side of the equation.
-0.2142857143 + 0.8571428571x + 0.2142857143 + x2 = 0 + 0.2142857143

Reorder the terms:
-0.2142857143 + 0.2142857143 + 0.8571428571x + x2 = 0 + 0.2142857143

Combine like terms: -0.2142857143 + 0.2142857143 = 0.0000000000
0.0000000000 + 0.8571428571x + x2 = 0 + 0.2142857143
0.8571428571x + x2 = 0 + 0.2142857143

Combine like terms: 0 + 0.2142857143 = 0.2142857143
0.8571428571x + x2 = 0.2142857143

The x term is 0.8571428571x.  Take half its coefficient (0.4285714286).
Square it (0.1836734694) and add it to both sides.

Add '0.1836734694' to each side of the equation.
0.8571428571x + 0.1836734694 + x2 = 0.2142857143 + 0.1836734694

Reorder the terms:
0.1836734694 + 0.8571428571x + x2 = 0.2142857143 + 0.1836734694

Combine like terms: 0.2142857143 + 0.1836734694 = 0.3979591837
0.1836734694 + 0.8571428571x + x2 = 0.3979591837

Factor a perfect square on the left side:
(x + 0.4285714286)(x + 0.4285714286) = 0.3979591837

Calculate the square root of the right side: 0.630840062

Break this problem into two subproblems by setting 
(x + 0.4285714286) equal to 0.630840062 and -0.630840062.

Subproblem 1

x + 0.4285714286 = 0.630840062 Simplifying x + 0.4285714286 = 0.630840062 Reorder the terms: 0.4285714286 + x = 0.630840062 Solving 0.4285714286 + x = 0.630840062 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4285714286' to each side of the equation. 0.4285714286 + -0.4285714286 + x = 0.630840062 + -0.4285714286 Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000 0.0000000000 + x = 0.630840062 + -0.4285714286 x = 0.630840062 + -0.4285714286 Combine like terms: 0.630840062 + -0.4285714286 = 0.2022686334 x = 0.2022686334 Simplifying x = 0.2022686334

Subproblem 2

x + 0.4285714286 = -0.630840062 Simplifying x + 0.4285714286 = -0.630840062 Reorder the terms: 0.4285714286 + x = -0.630840062 Solving 0.4285714286 + x = -0.630840062 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.4285714286' to each side of the equation. 0.4285714286 + -0.4285714286 + x = -0.630840062 + -0.4285714286 Combine like terms: 0.4285714286 + -0.4285714286 = 0.0000000000 0.0000000000 + x = -0.630840062 + -0.4285714286 x = -0.630840062 + -0.4285714286 Combine like terms: -0.630840062 + -0.4285714286 = -1.0594114906 x = -1.0594114906 Simplifying x = -1.0594114906

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.2022686334, -1.0594114906}

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