10x^2-36x+27=0

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Solution for 10x^2-36x+27=0 equation:


Simplifying
10x2 + -36x + 27 = 0

Reorder the terms:
27 + -36x + 10x2 = 0

Solving
27 + -36x + 10x2 = 0

Solving for variable 'x'.

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

Divide each side by '10'.
2.7 + -3.6x + x2 = 0

Move the constant term to the right:

Add '-2.7' to each side of the equation.
2.7 + -3.6x + -2.7 + x2 = 0 + -2.7

Reorder the terms:
2.7 + -2.7 + -3.6x + x2 = 0 + -2.7

Combine like terms: 2.7 + -2.7 = 0.0
0.0 + -3.6x + x2 = 0 + -2.7
-3.6x + x2 = 0 + -2.7

Combine like terms: 0 + -2.7 = -2.7
-3.6x + x2 = -2.7

The x term is -3.6x.  Take half its coefficient (-1.8).
Square it (3.24) and add it to both sides.

Add '3.24' to each side of the equation.
-3.6x + 3.24 + x2 = -2.7 + 3.24

Reorder the terms:
3.24 + -3.6x + x2 = -2.7 + 3.24

Combine like terms: -2.7 + 3.24 = 0.54
3.24 + -3.6x + x2 = 0.54

Factor a perfect square on the left side:
(x + -1.8)(x + -1.8) = 0.54

Calculate the square root of the right side: 0.734846923

Break this problem into two subproblems by setting 
(x + -1.8) equal to 0.734846923 and -0.734846923.

Subproblem 1

x + -1.8 = 0.734846923 Simplifying x + -1.8 = 0.734846923 Reorder the terms: -1.8 + x = 0.734846923 Solving -1.8 + x = 0.734846923 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.8' to each side of the equation. -1.8 + 1.8 + x = 0.734846923 + 1.8 Combine like terms: -1.8 + 1.8 = 0.0 0.0 + x = 0.734846923 + 1.8 x = 0.734846923 + 1.8 Combine like terms: 0.734846923 + 1.8 = 2.534846923 x = 2.534846923 Simplifying x = 2.534846923

Subproblem 2

x + -1.8 = -0.734846923 Simplifying x + -1.8 = -0.734846923 Reorder the terms: -1.8 + x = -0.734846923 Solving -1.8 + x = -0.734846923 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.8' to each side of the equation. -1.8 + 1.8 + x = -0.734846923 + 1.8 Combine like terms: -1.8 + 1.8 = 0.0 0.0 + x = -0.734846923 + 1.8 x = -0.734846923 + 1.8 Combine like terms: -0.734846923 + 1.8 = 1.065153077 x = 1.065153077 Simplifying x = 1.065153077

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.534846923, 1.065153077}

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