0=9x^2-14x+7

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Solution for 0=9x^2-14x+7 equation:


Simplifying
0 = 9x2 + -14x + 7

Reorder the terms:
0 = 7 + -14x + 9x2

Solving
0 = 7 + -14x + 9x2

Solving for variable 'x'.

Combine like terms: 0 + -7 = -7
-7 + 14x + -9x2 = 7 + -14x + 9x2 + -7 + 14x + -9x2

Reorder the terms:
-7 + 14x + -9x2 = 7 + -7 + -14x + 14x + 9x2 + -9x2

Combine like terms: 7 + -7 = 0
-7 + 14x + -9x2 = 0 + -14x + 14x + 9x2 + -9x2
-7 + 14x + -9x2 = -14x + 14x + 9x2 + -9x2

Combine like terms: -14x + 14x = 0
-7 + 14x + -9x2 = 0 + 9x2 + -9x2
-7 + 14x + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-7 + 14x + -9x2 = 0

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

Divide each side by '-9'.
0.7777777778 + -1.555555556x + x2 = 0

Move the constant term to the right:

Add '-0.7777777778' to each side of the equation.
0.7777777778 + -1.555555556x + -0.7777777778 + x2 = 0 + -0.7777777778

Reorder the terms:
0.7777777778 + -0.7777777778 + -1.555555556x + x2 = 0 + -0.7777777778

Combine like terms: 0.7777777778 + -0.7777777778 = 0.0000000000
0.0000000000 + -1.555555556x + x2 = 0 + -0.7777777778
-1.555555556x + x2 = 0 + -0.7777777778

Combine like terms: 0 + -0.7777777778 = -0.7777777778
-1.555555556x + x2 = -0.7777777778

The x term is -1.555555556x.  Take half its coefficient (-0.777777778).
Square it (0.6049382720) and add it to both sides.

Add '0.6049382720' to each side of the equation.
-1.555555556x + 0.6049382720 + x2 = -0.7777777778 + 0.6049382720

Reorder the terms:
0.6049382720 + -1.555555556x + x2 = -0.7777777778 + 0.6049382720

Combine like terms: -0.7777777778 + 0.6049382720 = -0.1728395058
0.6049382720 + -1.555555556x + x2 = -0.1728395058

Factor a perfect square on the left side:
(x + -0.777777778)(x + -0.777777778) = -0.1728395058

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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