18x^2+5-[6(x^2-7)+6]=x

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Solution for 18x^2+5-[6(x^2-7)+6]=x equation:


Simplifying
18x2 + 5 + -1[6(x2 + -7) + 6] = x

Reorder the terms:
18x2 + 5 + -1[6(-7 + x2) + 6] = x
18x2 + 5 + -1[(-7 * 6 + x2 * 6) + 6] = x
18x2 + 5 + -1[(-42 + 6x2) + 6] = x

Reorder the terms:
18x2 + 5 + -1[-42 + 6 + 6x2] = x

Combine like terms: -42 + 6 = -36
18x2 + 5 + -1[-36 + 6x2] = x
18x2 + 5 + [-36 * -1 + 6x2 * -1] = x
18x2 + 5 + [36 + -6x2] = x

Reorder the terms:
5 + 36 + 18x2 + -6x2 = x

Combine like terms: 5 + 36 = 41
41 + 18x2 + -6x2 = x

Combine like terms: 18x2 + -6x2 = 12x2
41 + 12x2 = x

Solving
41 + 12x2 = x

Solving for variable 'x'.

Reorder the terms:
41 + -1x + 12x2 = x + -1x

Combine like terms: x + -1x = 0
41 + -1x + 12x2 = 0

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

Divide each side by '12'.
3.416666667 + -0.08333333333x + x2 = 0

Move the constant term to the right:

Add '-3.416666667' to each side of the equation.
3.416666667 + -0.08333333333x + -3.416666667 + x2 = 0 + -3.416666667

Reorder the terms:
3.416666667 + -3.416666667 + -0.08333333333x + x2 = 0 + -3.416666667

Combine like terms: 3.416666667 + -3.416666667 = 0.000000000
0.000000000 + -0.08333333333x + x2 = 0 + -3.416666667
-0.08333333333x + x2 = 0 + -3.416666667

Combine like terms: 0 + -3.416666667 = -3.416666667
-0.08333333333x + x2 = -3.416666667

The x term is -0.08333333333x.  Take half its coefficient (-0.04166666667).
Square it (0.001736111111) and add it to both sides.

Add '0.001736111111' to each side of the equation.
-0.08333333333x + 0.001736111111 + x2 = -3.416666667 + 0.001736111111

Reorder the terms:
0.001736111111 + -0.08333333333x + x2 = -3.416666667 + 0.001736111111

Combine like terms: -3.416666667 + 0.001736111111 = -3.414930555889
0.001736111111 + -0.08333333333x + x2 = -3.414930555889

Factor a perfect square on the left side:
(x + -0.04166666667)(x + -0.04166666667) = -3.414930555889

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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