3x^2-19x+40=

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Solution for 3x^2-19x+40= equation:


Simplifying
3x2 + -19x + 40 = 0

Reorder the terms:
40 + -19x + 3x2 = 0

Solving
40 + -19x + 3x2 = 0

Solving for variable 'x'.

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

Divide each side by '3'.
13.33333333 + -6.333333333x + x2 = 0

Move the constant term to the right:

Add '-13.33333333' to each side of the equation.
13.33333333 + -6.333333333x + -13.33333333 + x2 = 0 + -13.33333333

Reorder the terms:
13.33333333 + -13.33333333 + -6.333333333x + x2 = 0 + -13.33333333

Combine like terms: 13.33333333 + -13.33333333 = 0.00000000
0.00000000 + -6.333333333x + x2 = 0 + -13.33333333
-6.333333333x + x2 = 0 + -13.33333333

Combine like terms: 0 + -13.33333333 = -13.33333333
-6.333333333x + x2 = -13.33333333

The x term is -6.333333333x.  Take half its coefficient (-3.166666667).
Square it (10.02777778) and add it to both sides.

Add '10.02777778' to each side of the equation.
-6.333333333x + 10.02777778 + x2 = -13.33333333 + 10.02777778

Reorder the terms:
10.02777778 + -6.333333333x + x2 = -13.33333333 + 10.02777778

Combine like terms: -13.33333333 + 10.02777778 = -3.30555555
10.02777778 + -6.333333333x + x2 = -3.30555555

Factor a perfect square on the left side:
(x + -3.166666667)(x + -3.166666667) = -3.30555555

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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