.5x^2-1.3x+4=0

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Solution for .5x^2-1.3x+4=0 equation:


Simplifying
0.5x2 + -1.3x + 4 = 0

Reorder the terms:
4 + -1.3x + 0.5x2 = 0

Solving
4 + -1.3x + 0.5x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.5'.
8 + -2.6x + x2 = 0

Move the constant term to the right:

Add '-8' to each side of the equation.
8 + -2.6x + -8 + x2 = 0 + -8

Reorder the terms:
8 + -8 + -2.6x + x2 = 0 + -8

Combine like terms: 8 + -8 = 0
0 + -2.6x + x2 = 0 + -8
-2.6x + x2 = 0 + -8

Combine like terms: 0 + -8 = -8
-2.6x + x2 = -8

The x term is -2.6x.  Take half its coefficient (-1.3).
Square it (1.69) and add it to both sides.

Add '1.69' to each side of the equation.
-2.6x + 1.69 + x2 = -8 + 1.69

Reorder the terms:
1.69 + -2.6x + x2 = -8 + 1.69

Combine like terms: -8 + 1.69 = -6.31
1.69 + -2.6x + x2 = -6.31

Factor a perfect square on the left side:
(x + -1.3)(x + -1.3) = -6.31

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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