27x=9x^2+2

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Solution for 27x=9x^2+2 equation:


Simplifying
27x = 9x2 + 2

Reorder the terms:
27x = 2 + 9x2

Solving
27x = 2 + 9x2

Solving for variable 'x'.

Reorder the terms:
-2 + 27x + -9x2 = 2 + 9x2 + -2 + -9x2

Reorder the terms:
-2 + 27x + -9x2 = 2 + -2 + 9x2 + -9x2

Combine like terms: 2 + -2 = 0
-2 + 27x + -9x2 = 0 + 9x2 + -9x2
-2 + 27x + -9x2 = 9x2 + -9x2

Combine like terms: 9x2 + -9x2 = 0
-2 + 27x + -9x2 = 0

Begin completing the square.  Divide all terms by
-9 the coefficient of the squared term: 

Divide each side by '-9'.
0.2222222222 + -3x + x2 = 0

Move the constant term to the right:

Add '-0.2222222222' to each side of the equation.
0.2222222222 + -3x + -0.2222222222 + x2 = 0 + -0.2222222222

Reorder the terms:
0.2222222222 + -0.2222222222 + -3x + x2 = 0 + -0.2222222222

Combine like terms: 0.2222222222 + -0.2222222222 = 0.0000000000
0.0000000000 + -3x + x2 = 0 + -0.2222222222
-3x + x2 = 0 + -0.2222222222

Combine like terms: 0 + -0.2222222222 = -0.2222222222
-3x + x2 = -0.2222222222

The x term is -3x.  Take half its coefficient (-1.5).
Square it (2.25) and add it to both sides.

Add '2.25' to each side of the equation.
-3x + 2.25 + x2 = -0.2222222222 + 2.25

Reorder the terms:
2.25 + -3x + x2 = -0.2222222222 + 2.25

Combine like terms: -0.2222222222 + 2.25 = 2.0277777778
2.25 + -3x + x2 = 2.0277777778

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = 2.0277777778

Calculate the square root of the right side: 1.424000624

Break this problem into two subproblems by setting 
(x + -1.5) equal to 1.424000624 and -1.424000624.

Subproblem 1

x + -1.5 = 1.424000624 Simplifying x + -1.5 = 1.424000624 Reorder the terms: -1.5 + x = 1.424000624 Solving -1.5 + x = 1.424000624 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = 1.424000624 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = 1.424000624 + 1.5 x = 1.424000624 + 1.5 Combine like terms: 1.424000624 + 1.5 = 2.924000624 x = 2.924000624 Simplifying x = 2.924000624

Subproblem 2

x + -1.5 = -1.424000624 Simplifying x + -1.5 = -1.424000624 Reorder the terms: -1.5 + x = -1.424000624 Solving -1.5 + x = -1.424000624 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.5' to each side of the equation. -1.5 + 1.5 + x = -1.424000624 + 1.5 Combine like terms: -1.5 + 1.5 = 0.0 0.0 + x = -1.424000624 + 1.5 x = -1.424000624 + 1.5 Combine like terms: -1.424000624 + 1.5 = 0.075999376 x = 0.075999376 Simplifying x = 0.075999376

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.924000624, 0.075999376}

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