3x*3x-7x+2=0

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Solution for 3x*3x-7x+2=0 equation:


Simplifying
3x * 3x + -7x + 2 = 0

Reorder the terms for easier multiplication:
3 * 3x * x + -7x + 2 = 0

Multiply 3 * 3
9x * x + -7x + 2 = 0

Multiply x * x
9x2 + -7x + 2 = 0

Reorder the terms:
2 + -7x + 9x2 = 0

Solving
2 + -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'.
0.2222222222 + -0.7777777778x + x2 = 0

Move the constant term to the right:

Add '-0.2222222222' to each side of the equation.
0.2222222222 + -0.7777777778x + -0.2222222222 + x2 = 0 + -0.2222222222

Reorder the terms:
0.2222222222 + -0.2222222222 + -0.7777777778x + x2 = 0 + -0.2222222222

Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000
0.0000000000 + -0.7777777778x + x2 = 0 + -0.2222222222
-0.7777777778x + x2 = 0 + -0.2222222222

Combine like terms: 0 + -0.2222222222 = -0.2222222222
-0.7777777778x + x2 = -0.2222222222

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 = -0.2222222222 + 0.1512345679

Reorder the terms:
0.1512345679 + -0.7777777778x + x2 = -0.2222222222 + 0.1512345679

Combine like terms: -0.2222222222 + 0.1512345679 = -0.0709876543
0.1512345679 + -0.7777777778x + x2 = -0.0709876543

Factor a perfect square on the left side:
(x + -0.3888888889)(x + -0.3888888889) = -0.0709876543

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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