16x^2+12x-3=0

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Solution for 16x^2+12x-3=0 equation:


Simplifying
16x2 + 12x + -3 = 0

Reorder the terms:
-3 + 12x + 16x2 = 0

Solving
-3 + 12x + 16x2 = 0

Solving for variable 'x'.

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

Divide each side by '16'.
-0.1875 + 0.75x + x2 = 0

Move the constant term to the right:

Add '0.1875' to each side of the equation.
-0.1875 + 0.75x + 0.1875 + x2 = 0 + 0.1875

Reorder the terms:
-0.1875 + 0.1875 + 0.75x + x2 = 0 + 0.1875

Combine like terms: -0.1875 + 0.1875 = 0.0000
0.0000 + 0.75x + x2 = 0 + 0.1875
0.75x + x2 = 0 + 0.1875

Combine like terms: 0 + 0.1875 = 0.1875
0.75x + x2 = 0.1875

The x term is 0.75x.  Take half its coefficient (0.375).
Square it (0.140625) and add it to both sides.

Add '0.140625' to each side of the equation.
0.75x + 0.140625 + x2 = 0.1875 + 0.140625

Reorder the terms:
0.140625 + 0.75x + x2 = 0.1875 + 0.140625

Combine like terms: 0.1875 + 0.140625 = 0.328125
0.140625 + 0.75x + x2 = 0.328125

Factor a perfect square on the left side:
(x + 0.375)(x + 0.375) = 0.328125

Calculate the square root of the right side: 0.572821962

Break this problem into two subproblems by setting 
(x + 0.375) equal to 0.572821962 and -0.572821962.

Subproblem 1

x + 0.375 = 0.572821962 Simplifying x + 0.375 = 0.572821962 Reorder the terms: 0.375 + x = 0.572821962 Solving 0.375 + x = 0.572821962 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = 0.572821962 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = 0.572821962 + -0.375 x = 0.572821962 + -0.375 Combine like terms: 0.572821962 + -0.375 = 0.197821962 x = 0.197821962 Simplifying x = 0.197821962

Subproblem 2

x + 0.375 = -0.572821962 Simplifying x + 0.375 = -0.572821962 Reorder the terms: 0.375 + x = -0.572821962 Solving 0.375 + x = -0.572821962 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.375' to each side of the equation. 0.375 + -0.375 + x = -0.572821962 + -0.375 Combine like terms: 0.375 + -0.375 = 0.000 0.000 + x = -0.572821962 + -0.375 x = -0.572821962 + -0.375 Combine like terms: -0.572821962 + -0.375 = -0.947821962 x = -0.947821962 Simplifying x = -0.947821962

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.197821962, -0.947821962}

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