7x*x-18x+12=0

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Solution for 7x*x-18x+12=0 equation:


Simplifying
7x * x + -18x + 12 = 0

Multiply x * x
7x2 + -18x + 12 = 0

Reorder the terms:
12 + -18x + 7x2 = 0

Solving
12 + -18x + 7x2 = 0

Solving for variable 'x'.

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

Divide each side by '7'.
1.714285714 + -2.571428571x + x2 = 0

Move the constant term to the right:

Add '-1.714285714' to each side of the equation.
1.714285714 + -2.571428571x + -1.714285714 + x2 = 0 + -1.714285714

Reorder the terms:
1.714285714 + -1.714285714 + -2.571428571x + x2 = 0 + -1.714285714

Combine like terms: 1.714285714 + -1.714285714 = 0.000000000
0.000000000 + -2.571428571x + x2 = 0 + -1.714285714
-2.571428571x + x2 = 0 + -1.714285714

Combine like terms: 0 + -1.714285714 = -1.714285714
-2.571428571x + x2 = -1.714285714

The x term is -2.571428571x.  Take half its coefficient (-1.285714286).
Square it (1.653061225) and add it to both sides.

Add '1.653061225' to each side of the equation.
-2.571428571x + 1.653061225 + x2 = -1.714285714 + 1.653061225

Reorder the terms:
1.653061225 + -2.571428571x + x2 = -1.714285714 + 1.653061225

Combine like terms: -1.714285714 + 1.653061225 = -0.061224489
1.653061225 + -2.571428571x + x2 = -0.061224489

Factor a perfect square on the left side:
(x + -1.285714286)(x + -1.285714286) = -0.061224489

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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