4.9x^2-4x+2=0

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Solution for 4.9x^2-4x+2=0 equation:


Simplifying
4.9x2 + -4x + 2 = 0

Reorder the terms:
2 + -4x + 4.9x2 = 0

Solving
2 + -4x + 4.9x2 = 0

Solving for variable 'x'.

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

Divide each side by '4.9'.
0.4081632653 + -0.8163265306x + x2 = 0

Move the constant term to the right:

Add '-0.4081632653' to each side of the equation.
0.4081632653 + -0.8163265306x + -0.4081632653 + x2 = 0 + -0.4081632653

Reorder the terms:
0.4081632653 + -0.4081632653 + -0.8163265306x + x2 = 0 + -0.4081632653

Combine like terms: 0.4081632653 + -0.4081632653 = 0.0000000000
0.0000000000 + -0.8163265306x + x2 = 0 + -0.4081632653
-0.8163265306x + x2 = 0 + -0.4081632653

Combine like terms: 0 + -0.4081632653 = -0.4081632653
-0.8163265306x + x2 = -0.4081632653

The x term is -0.8163265306x.  Take half its coefficient (-0.4081632653).
Square it (0.1665972511) and add it to both sides.

Add '0.1665972511' to each side of the equation.
-0.8163265306x + 0.1665972511 + x2 = -0.4081632653 + 0.1665972511

Reorder the terms:
0.1665972511 + -0.8163265306x + x2 = -0.4081632653 + 0.1665972511

Combine like terms: -0.4081632653 + 0.1665972511 = -0.2415660142
0.1665972511 + -0.8163265306x + x2 = -0.2415660142

Factor a perfect square on the left side:
(x + -0.4081632653)(x + -0.4081632653) = -0.2415660142

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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