1-1.6x+0.9x^2=0complex

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Solution for 1-1.6x+0.9x^2=0complex equation:


Simplifying
1 + -1.6x + 0.9x2 = 0complex

Anything times zero is zero.
1 + -1.6x + 0.9x2 = 0celmopx

Solving
1 + -1.6x + 0.9x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.9'.
1.111111111 + -1.777777778x + x2 = 0

Move the constant term to the right:

Add '-1.111111111' to each side of the equation.
1.111111111 + -1.777777778x + -1.111111111 + x2 = 0 + -1.111111111

Reorder the terms:
1.111111111 + -1.111111111 + -1.777777778x + x2 = 0 + -1.111111111

Combine like terms: 1.111111111 + -1.111111111 = 0.000000000
0.000000000 + -1.777777778x + x2 = 0 + -1.111111111
-1.777777778x + x2 = 0 + -1.111111111

Combine like terms: 0 + -1.111111111 = -1.111111111
-1.777777778x + x2 = -1.111111111

The x term is -1.777777778x.  Take half its coefficient (-0.888888889).
Square it (0.7901234570) and add it to both sides.

Add '0.7901234570' to each side of the equation.
-1.777777778x + 0.7901234570 + x2 = -1.111111111 + 0.7901234570

Reorder the terms:
0.7901234570 + -1.777777778x + x2 = -1.111111111 + 0.7901234570

Combine like terms: -1.111111111 + 0.7901234570 = -0.320987654
0.7901234570 + -1.777777778x + x2 = -0.320987654

Factor a perfect square on the left side:
(x + -0.888888889)(x + -0.888888889) = -0.320987654

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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