6x^2=3-2x

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Solution for 6x^2=3-2x equation:


Simplifying
6x2 = 3 + -2x

Solving
6x2 = 3 + -2x

Solving for variable 'x'.

Reorder the terms:
-3 + 2x + 6x2 = 3 + -2x + -3 + 2x

Reorder the terms:
-3 + 2x + 6x2 = 3 + -3 + -2x + 2x

Combine like terms: 3 + -3 = 0
-3 + 2x + 6x2 = 0 + -2x + 2x
-3 + 2x + 6x2 = -2x + 2x

Combine like terms: -2x + 2x = 0
-3 + 2x + 6x2 = 0

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

Divide each side by '6'.
-0.5 + 0.3333333333x + x2 = 0

Move the constant term to the right:

Add '0.5' to each side of the equation.
-0.5 + 0.3333333333x + 0.5 + x2 = 0 + 0.5

Reorder the terms:
-0.5 + 0.5 + 0.3333333333x + x2 = 0 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.0 + 0.3333333333x + x2 = 0 + 0.5
0.3333333333x + x2 = 0 + 0.5

Combine like terms: 0 + 0.5 = 0.5
0.3333333333x + x2 = 0.5

The x term is 0.3333333333x.  Take half its coefficient (0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
0.3333333333x + 0.02777777779 + x2 = 0.5 + 0.02777777779

Reorder the terms:
0.02777777779 + 0.3333333333x + x2 = 0.5 + 0.02777777779

Combine like terms: 0.5 + 0.02777777779 = 0.52777777779
0.02777777779 + 0.3333333333x + x2 = 0.52777777779

Factor a perfect square on the left side:
(x + 0.1666666667)(x + 0.1666666667) = 0.52777777779

Calculate the square root of the right side: 0.726483157

Break this problem into two subproblems by setting 
(x + 0.1666666667) equal to 0.726483157 and -0.726483157.

Subproblem 1

x + 0.1666666667 = 0.726483157 Simplifying x + 0.1666666667 = 0.726483157 Reorder the terms: 0.1666666667 + x = 0.726483157 Solving 0.1666666667 + x = 0.726483157 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1666666667' to each side of the equation. 0.1666666667 + -0.1666666667 + x = 0.726483157 + -0.1666666667 Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000 0.0000000000 + x = 0.726483157 + -0.1666666667 x = 0.726483157 + -0.1666666667 Combine like terms: 0.726483157 + -0.1666666667 = 0.5598164903 x = 0.5598164903 Simplifying x = 0.5598164903

Subproblem 2

x + 0.1666666667 = -0.726483157 Simplifying x + 0.1666666667 = -0.726483157 Reorder the terms: 0.1666666667 + x = -0.726483157 Solving 0.1666666667 + x = -0.726483157 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.1666666667' to each side of the equation. 0.1666666667 + -0.1666666667 + x = -0.726483157 + -0.1666666667 Combine like terms: 0.1666666667 + -0.1666666667 = 0.0000000000 0.0000000000 + x = -0.726483157 + -0.1666666667 x = -0.726483157 + -0.1666666667 Combine like terms: -0.726483157 + -0.1666666667 = -0.8931498237 x = -0.8931498237 Simplifying x = -0.8931498237

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.5598164903, -0.8931498237}

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