-3x^2+30x-83=0

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Solution for -3x^2+30x-83=0 equation:


Simplifying
-3x2 + 30x + -83 = 0

Reorder the terms:
-83 + 30x + -3x2 = 0

Solving
-83 + 30x + -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'.
27.66666667 + -10x + x2 = 0

Move the constant term to the right:

Add '-27.66666667' to each side of the equation.
27.66666667 + -10x + -27.66666667 + x2 = 0 + -27.66666667

Reorder the terms:
27.66666667 + -27.66666667 + -10x + x2 = 0 + -27.66666667

Combine like terms: 27.66666667 + -27.66666667 = 0.00000000
0.00000000 + -10x + x2 = 0 + -27.66666667
-10x + x2 = 0 + -27.66666667

Combine like terms: 0 + -27.66666667 = -27.66666667
-10x + x2 = -27.66666667

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = -27.66666667 + 25

Reorder the terms:
25 + -10x + x2 = -27.66666667 + 25

Combine like terms: -27.66666667 + 25 = -2.66666667
25 + -10x + x2 = -2.66666667

Factor a perfect square on the left side:
(x + -5)(x + -5) = -2.66666667

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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