29x-12x^2=78

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Solution for 29x-12x^2=78 equation:


Simplifying
29x + -12x2 = 78

Solving
29x + -12x2 = 78

Solving for variable 'x'.

Reorder the terms:
-78 + 29x + -12x2 = 78 + -78

Combine like terms: 78 + -78 = 0
-78 + 29x + -12x2 = 0

Begin completing the square.  Divide all terms by
-12 the coefficient of the squared term: 

Divide each side by '-12'.
6.5 + -2.416666667x + x2 = 0

Move the constant term to the right:

Add '-6.5' to each side of the equation.
6.5 + -2.416666667x + -6.5 + x2 = 0 + -6.5

Reorder the terms:
6.5 + -6.5 + -2.416666667x + x2 = 0 + -6.5

Combine like terms: 6.5 + -6.5 = 0.0
0.0 + -2.416666667x + x2 = 0 + -6.5
-2.416666667x + x2 = 0 + -6.5

Combine like terms: 0 + -6.5 = -6.5
-2.416666667x + x2 = -6.5

The x term is -2.416666667x.  Take half its coefficient (-1.208333334).
Square it (1.460069446) and add it to both sides.

Add '1.460069446' to each side of the equation.
-2.416666667x + 1.460069446 + x2 = -6.5 + 1.460069446

Reorder the terms:
1.460069446 + -2.416666667x + x2 = -6.5 + 1.460069446

Combine like terms: -6.5 + 1.460069446 = -5.039930554
1.460069446 + -2.416666667x + x2 = -5.039930554

Factor a perfect square on the left side:
(x + -1.208333334)(x + -1.208333334) = -5.039930554

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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