7x^2-x+2=0

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

Simplifying
7x2 + -1x + 2 = 0

Reorder the terms:
2 + -1x + 7x2 = 0

Solving
2 + -1x + 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'.
0.2857142857 + -0.1428571429x + x2 = 0

Move the constant term to the right:

Add '-0.2857142857' to each side of the equation.
0.2857142857 + -0.1428571429x + -0.2857142857 + x2 = 0 + -0.2857142857

Reorder the terms:
0.2857142857 + -0.2857142857 + -0.1428571429x + x2 = 0 + -0.2857142857

Combine like terms: 0.2857142857 + -0.2857142857 = 0.0000000000
0.0000000000 + -0.1428571429x + x2 = 0 + -0.2857142857
-0.1428571429x + x2 = 0 + -0.2857142857

Combine like terms: 0 + -0.2857142857 = -0.2857142857
-0.1428571429x + x2 = -0.2857142857

The x term is -0.1428571429x.  Take half its coefficient (-0.07142857145).
Square it (0.005102040819) and add it to both sides.

Add '0.005102040819' to each side of the equation.
-0.1428571429x + 0.005102040819 + x2 = -0.2857142857 + 0.005102040819

Reorder the terms:
0.005102040819 + -0.1428571429x + x2 = -0.2857142857 + 0.005102040819

Combine like terms: -0.2857142857 + 0.005102040819 = -0.280612244881
0.005102040819 + -0.1428571429x + x2 = -0.280612244881

Factor a perfect square on the left side:
(x + -0.07142857145)(x + -0.07142857145) = -0.280612244881

Can't calculate square root of the right side.

The solution to this equation could not be determined.