-12x^2+11x-6x^2+4=

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Solution for -12x^2+11x-6x^2+4= equation:


Simplifying
-12x2 + 11x + -6x2 + 4 = 0

Reorder the terms:
4 + 11x + -12x2 + -6x2 = 0

Combine like terms: -12x2 + -6x2 = -18x2
4 + 11x + -18x2 = 0

Solving
4 + 11x + -18x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-18 the coefficient of the squared term: 

Divide each side by '-18'.
-0.2222222222 + -0.6111111111x + x2 = 0

Move the constant term to the right:

Add '0.2222222222' to each side of the equation.
-0.2222222222 + -0.6111111111x + 0.2222222222 + x2 = 0 + 0.2222222222

Reorder the terms:
-0.2222222222 + 0.2222222222 + -0.6111111111x + x2 = 0 + 0.2222222222

Combine like terms: -0.2222222222 + 0.2222222222 = 0.0000000000
0.0000000000 + -0.6111111111x + x2 = 0 + 0.2222222222
-0.6111111111x + x2 = 0 + 0.2222222222

Combine like terms: 0 + 0.2222222222 = 0.2222222222
-0.6111111111x + x2 = 0.2222222222

The x term is -0.6111111111x.  Take half its coefficient (-0.3055555556).
Square it (0.09336419756) and add it to both sides.

Add '0.09336419756' to each side of the equation.
-0.6111111111x + 0.09336419756 + x2 = 0.2222222222 + 0.09336419756

Reorder the terms:
0.09336419756 + -0.6111111111x + x2 = 0.2222222222 + 0.09336419756

Combine like terms: 0.2222222222 + 0.09336419756 = 0.31558641976
0.09336419756 + -0.6111111111x + x2 = 0.31558641976

Factor a perfect square on the left side:
(x + -0.3055555556)(x + -0.3055555556) = 0.31558641976

Calculate the square root of the right side: 0.561770789

Break this problem into two subproblems by setting 
(x + -0.3055555556) equal to 0.561770789 and -0.561770789.

Subproblem 1

x + -0.3055555556 = 0.561770789 Simplifying x + -0.3055555556 = 0.561770789 Reorder the terms: -0.3055555556 + x = 0.561770789 Solving -0.3055555556 + x = 0.561770789 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3055555556' to each side of the equation. -0.3055555556 + 0.3055555556 + x = 0.561770789 + 0.3055555556 Combine like terms: -0.3055555556 + 0.3055555556 = 0.0000000000 0.0000000000 + x = 0.561770789 + 0.3055555556 x = 0.561770789 + 0.3055555556 Combine like terms: 0.561770789 + 0.3055555556 = 0.8673263446 x = 0.8673263446 Simplifying x = 0.8673263446

Subproblem 2

x + -0.3055555556 = -0.561770789 Simplifying x + -0.3055555556 = -0.561770789 Reorder the terms: -0.3055555556 + x = -0.561770789 Solving -0.3055555556 + x = -0.561770789 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.3055555556' to each side of the equation. -0.3055555556 + 0.3055555556 + x = -0.561770789 + 0.3055555556 Combine like terms: -0.3055555556 + 0.3055555556 = 0.0000000000 0.0000000000 + x = -0.561770789 + 0.3055555556 x = -0.561770789 + 0.3055555556 Combine like terms: -0.561770789 + 0.3055555556 = -0.2562152334 x = -0.2562152334 Simplifying x = -0.2562152334

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.8673263446, -0.2562152334}

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