0.4w^2-0.73w+0.66=0

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Solution for 0.4w^2-0.73w+0.66=0 equation:


Simplifying
0.4w2 + -0.73w + 0.66 = 0

Reorder the terms:
0.66 + -0.73w + 0.4w2 = 0

Solving
0.66 + -0.73w + 0.4w2 = 0

Solving for variable 'w'.

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

Divide each side by '0.4'.
1.65 + -1.825w + w2 = 0

Move the constant term to the right:

Add '-1.65' to each side of the equation.
1.65 + -1.825w + -1.65 + w2 = 0 + -1.65

Reorder the terms:
1.65 + -1.65 + -1.825w + w2 = 0 + -1.65

Combine like terms: 1.65 + -1.65 = 0.00
0.00 + -1.825w + w2 = 0 + -1.65
-1.825w + w2 = 0 + -1.65

Combine like terms: 0 + -1.65 = -1.65
-1.825w + w2 = -1.65

The w term is -1.825w.  Take half its coefficient (-0.9125).
Square it (0.83265625) and add it to both sides.

Add '0.83265625' to each side of the equation.
-1.825w + 0.83265625 + w2 = -1.65 + 0.83265625

Reorder the terms:
0.83265625 + -1.825w + w2 = -1.65 + 0.83265625

Combine like terms: -1.65 + 0.83265625 = -0.81734375
0.83265625 + -1.825w + w2 = -0.81734375

Factor a perfect square on the left side:
(w + -0.9125)(w + -0.9125) = -0.81734375

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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