5x^2-27x+810=0

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Solution for 5x^2-27x+810=0 equation:


Simplifying
5x2 + -27x + 810 = 0

Reorder the terms:
810 + -27x + 5x2 = 0

Solving
810 + -27x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
162 + -5.4x + x2 = 0

Move the constant term to the right:

Add '-162' to each side of the equation.
162 + -5.4x + -162 + x2 = 0 + -162

Reorder the terms:
162 + -162 + -5.4x + x2 = 0 + -162

Combine like terms: 162 + -162 = 0
0 + -5.4x + x2 = 0 + -162
-5.4x + x2 = 0 + -162

Combine like terms: 0 + -162 = -162
-5.4x + x2 = -162

The x term is -5.4x.  Take half its coefficient (-2.7).
Square it (7.29) and add it to both sides.

Add '7.29' to each side of the equation.
-5.4x + 7.29 + x2 = -162 + 7.29

Reorder the terms:
7.29 + -5.4x + x2 = -162 + 7.29

Combine like terms: -162 + 7.29 = -154.71
7.29 + -5.4x + x2 = -154.71

Factor a perfect square on the left side:
(x + -2.7)(x + -2.7) = -154.71

Can't calculate square root of the right side.

The solution to this equation could not be determined.

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