7x*7x-11x+2=0

Solution for 7x*7x-11x+2=0 equation:

Simplifying
7x * 7x + -11x + 2 = 0

Reorder the terms for easier multiplication:
7 * 7x * x + -11x + 2 = 0

Multiply 7 * 7
49x * x + -11x + 2 = 0

Multiply x * x
49x2 + -11x + 2 = 0

Reorder the terms:
2 + -11x + 49x2 = 0

Solving
2 + -11x + 49x2 = 0

Solving for variable 'x'.

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

Divide each side by '49'.
0.04081632653 + -0.2244897959x + x2 = 0

Move the constant term to the right:

Add '-0.04081632653' to each side of the equation.
0.04081632653 + -0.2244897959x + -0.04081632653 + x2 = 0 + -0.04081632653

Reorder the terms:
0.04081632653 + -0.04081632653 + -0.2244897959x + x2 = 0 + -0.04081632653

Combine like terms: 0.04081632653 + -0.04081632653 = 0.00000000000
0.00000000000 + -0.2244897959x + x2 = 0 + -0.04081632653
-0.2244897959x + x2 = 0 + -0.04081632653

Combine like terms: 0 + -0.04081632653 = -0.04081632653
-0.2244897959x + x2 = -0.04081632653

The x term is -0.2244897959x.  Take half its coefficient (-0.112244898).
Square it (0.01259891713) and add it to both sides.

Add '0.01259891713' to each side of the equation.
-0.2244897959x + 0.01259891713 + x2 = -0.04081632653 + 0.01259891713

Reorder the terms:
0.01259891713 + -0.2244897959x + x2 = -0.04081632653 + 0.01259891713

Combine like terms: -0.04081632653 + 0.01259891713 = -0.0282174094
0.01259891713 + -0.2244897959x + x2 = -0.0282174094

Factor a perfect square on the left side:
(x + -0.112244898)(x + -0.112244898) = -0.0282174094

Can't calculate square root of the right side.

The solution to this equation could not be determined.