.56x^2-3.2x+708.28=0

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Solution for .56x^2-3.2x+708.28=0 equation: 


Simplifying
0.56x2 + -3.2x + 708.28 = 0

Reorder the terms:
708.28 + -3.2x + 0.56x2 = 0

Solving
708.28 + -3.2x + 0.56x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.56'.
1264.785714 + -5.714285714x + x2 = 0

Move the constant term to the right:

Add '-1264.785714' to each side of the equation.
1264.785714 + -5.714285714x + -1264.785714 + x2 = 0 + -1264.785714

Reorder the terms:
1264.785714 + -1264.785714 + -5.714285714x + x2 = 0 + -1264.785714

Combine like terms: 1264.785714 + -1264.785714 = 0.000000
0.000000 + -5.714285714x + x2 = 0 + -1264.785714
-5.714285714x + x2 = 0 + -1264.785714

Combine like terms: 0 + -1264.785714 = -1264.785714
-5.714285714x + x2 = -1264.785714

The x term is -5.714285714x.  Take half its coefficient (-2.857142857).
Square it (8.163265305) and add it to both sides.

Add '8.163265305' to each side of the equation.
-5.714285714x + 8.163265305 + x2 = -1264.785714 + 8.163265305

Reorder the terms:
8.163265305 + -5.714285714x + x2 = -1264.785714 + 8.163265305

Combine like terms: -1264.785714 + 8.163265305 = -1256.622448695
8.163265305 + -5.714285714x + x2 = -1256.622448695

Factor a perfect square on the left side:
(x + -2.857142857)(x + -2.857142857) = -1256.622448695

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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