3x*3x+7x-8-6x+12=

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Solution for 3x*3x+7x-8-6x+12= equation: 


Simplifying
3x * 3x + 7x + -8 + -6x + 12 = 0

Reorder the terms for easier multiplication:
3 * 3x * x + 7x + -8 + -6x + 12 = 0

Multiply 3 * 3
9x * x + 7x + -8 + -6x + 12 = 0

Multiply x * x
9x2 + 7x + -8 + -6x + 12 = 0

Reorder the terms:
-8 + 12 + 7x + -6x + 9x2 = 0

Combine like terms: -8 + 12 = 4
4 + 7x + -6x + 9x2 = 0

Combine like terms: 7x + -6x = 1x
4 + 1x + 9x2 = 0

Solving
4 + 1x + 9x2 = 0

Solving for variable 'x'.

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

Divide each side by '9'.
0.4444444444 + 0.1111111111x + x2 = 0

Move the constant term to the right:

Add '-0.4444444444' to each side of the equation.
0.4444444444 + 0.1111111111x + -0.4444444444 + x2 = 0 + -0.4444444444

Reorder the terms:
0.4444444444 + -0.4444444444 + 0.1111111111x + x2 = 0 + -0.4444444444

Combine like terms: 0.4444444444 + -0.4444444444 = 0.0000000000
0.0000000000 + 0.1111111111x + x2 = 0 + -0.4444444444
0.1111111111x + x2 = 0 + -0.4444444444

Combine like terms: 0 + -0.4444444444 = -0.4444444444
0.1111111111x + x2 = -0.4444444444

The x term is 0.1111111111x.  Take half its coefficient (0.05555555555).
Square it (0.003086419752) and add it to both sides.

Add '0.003086419752' to each side of the equation.
0.1111111111x + 0.003086419752 + x2 = -0.4444444444 + 0.003086419752

Reorder the terms:
0.003086419752 + 0.1111111111x + x2 = -0.4444444444 + 0.003086419752

Combine like terms: -0.4444444444 + 0.003086419752 = -0.441358024648
0.003086419752 + 0.1111111111x + x2 = -0.441358024648

Factor a perfect square on the left side:
(x + 0.05555555555)(x + 0.05555555555) = -0.441358024648

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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