13x^2-78x+153=0

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Solution for 13x^2-78x+153=0 equation:


Simplifying
13x2 + -78x + 153 = 0

Reorder the terms:
153 + -78x + 13x2 = 0

Solving
153 + -78x + 13x2 = 0

Solving for variable 'x'.

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

Divide each side by '13'.
11.76923077 + -6x + x2 = 0

Move the constant term to the right:

Add '-11.76923077' to each side of the equation.
11.76923077 + -6x + -11.76923077 + x2 = 0 + -11.76923077

Reorder the terms:
11.76923077 + -11.76923077 + -6x + x2 = 0 + -11.76923077

Combine like terms: 11.76923077 + -11.76923077 = 0.00000000
0.00000000 + -6x + x2 = 0 + -11.76923077
-6x + x2 = 0 + -11.76923077

Combine like terms: 0 + -11.76923077 = -11.76923077
-6x + x2 = -11.76923077

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = -11.76923077 + 9

Reorder the terms:
9 + -6x + x2 = -11.76923077 + 9

Combine like terms: -11.76923077 + 9 = -2.76923077
9 + -6x + x2 = -2.76923077

Factor a perfect square on the left side:
(x + -3)(x + -3) = -2.76923077

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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