15x^2+1193.4=20x

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Solution for 15x^2+1193.4=20x equation:


Simplifying
15x2 + 1193.4 = 20x

Reorder the terms:
1193.4 + 15x2 = 20x

Solving
1193.4 + 15x2 = 20x

Solving for variable 'x'.

Reorder the terms:
1193.4 + -20x + 15x2 = 20x + -20x

Combine like terms: 20x + -20x = 0
1193.4 + -20x + 15x2 = 0

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

Divide each side by '15'.
79.56 + -1.333333333x + x2 = 0

Move the constant term to the right:

Add '-79.56' to each side of the equation.
79.56 + -1.333333333x + -79.56 + x2 = 0 + -79.56

Reorder the terms:
79.56 + -79.56 + -1.333333333x + x2 = 0 + -79.56

Combine like terms: 79.56 + -79.56 = 0.00
0.00 + -1.333333333x + x2 = 0 + -79.56
-1.333333333x + x2 = 0 + -79.56

Combine like terms: 0 + -79.56 = -79.56
-1.333333333x + x2 = -79.56

The x term is -1.333333333x.  Take half its coefficient (-0.6666666665).
Square it (0.4444444442) and add it to both sides.

Add '0.4444444442' to each side of the equation.
-1.333333333x + 0.4444444442 + x2 = -79.56 + 0.4444444442

Reorder the terms:
0.4444444442 + -1.333333333x + x2 = -79.56 + 0.4444444442

Combine like terms: -79.56 + 0.4444444442 = -79.1155555558
0.4444444442 + -1.333333333x + x2 = -79.1155555558

Factor a perfect square on the left side:
(x + -0.6666666665)(x + -0.6666666665) = -79.1155555558

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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