9x^2-7x+7=

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


Simplifying
9x2 + -7x + 7 = 0

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

Solving
7 + -7x + 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'.
0.7777777778 + -0.7777777778x + x2 = 0

Move the constant term to the right:

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

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

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

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

The x term is -0.7777777778x.  Take half its coefficient (-0.3888888889).
Square it (0.1512345679) and add it to both sides.

Add '0.1512345679' to each side of the equation.
-0.7777777778x + 0.1512345679 + x2 = -0.7777777778 + 0.1512345679

Reorder the terms:
0.1512345679 + -0.7777777778x + x2 = -0.7777777778 + 0.1512345679

Combine like terms: -0.7777777778 + 0.1512345679 = -0.6265432099
0.1512345679 + -0.7777777778x + x2 = -0.6265432099

Factor a perfect square on the left side:
(x + -0.3888888889)(x + -0.3888888889) = -0.6265432099

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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