5x^2-20x+23=0

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Solution for 5x^2-20x+23=0 equation:


Simplifying
5x2 + -20x + 23 = 0

Reorder the terms:
23 + -20x + 5x2 = 0

Solving
23 + -20x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
4.6 + -4x + x2 = 0

Move the constant term to the right:

Add '-4.6' to each side of the equation.
4.6 + -4x + -4.6 + x2 = 0 + -4.6

Reorder the terms:
4.6 + -4.6 + -4x + x2 = 0 + -4.6

Combine like terms: 4.6 + -4.6 = 0.0
0.0 + -4x + x2 = 0 + -4.6
-4x + x2 = 0 + -4.6

Combine like terms: 0 + -4.6 = -4.6
-4x + x2 = -4.6

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = -4.6 + 4

Reorder the terms:
4 + -4x + x2 = -4.6 + 4

Combine like terms: -4.6 + 4 = -0.6
4 + -4x + x2 = -0.6

Factor a perfect square on the left side:
(x + -2)(x + -2) = -0.6

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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