x(2x-3)=234

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Solution for x(2x-3)=234 equation:


Simplifying
x(2x + -3) = 234

Reorder the terms:
x(-3 + 2x) = 234
(-3 * x + 2x * x) = 234
(-3x + 2x2) = 234

Solving
-3x + 2x2 = 234

Solving for variable 'x'.

Reorder the terms:
-234 + -3x + 2x2 = 234 + -234

Combine like terms: 234 + -234 = 0
-234 + -3x + 2x2 = 0

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

Divide each side by '2'.
-117 + -1.5x + x2 = 0

Move the constant term to the right:

Add '117' to each side of the equation.
-117 + -1.5x + 117 + x2 = 0 + 117

Reorder the terms:
-117 + 117 + -1.5x + x2 = 0 + 117

Combine like terms: -117 + 117 = 0
0 + -1.5x + x2 = 0 + 117
-1.5x + x2 = 0 + 117

Combine like terms: 0 + 117 = 117
-1.5x + x2 = 117

The x term is -1.5x.  Take half its coefficient (-0.75).
Square it (0.5625) and add it to both sides.

Add '0.5625' to each side of the equation.
-1.5x + 0.5625 + x2 = 117 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 117 + 0.5625

Combine like terms: 117 + 0.5625 = 117.5625
0.5625 + -1.5x + x2 = 117.5625

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 117.5625

Calculate the square root of the right side: 10.842624221

Break this problem into two subproblems by setting 
(x + -0.75) equal to 10.842624221 and -10.842624221.

Subproblem 1

x + -0.75 = 10.842624221 Simplifying x + -0.75 = 10.842624221 Reorder the terms: -0.75 + x = 10.842624221 Solving -0.75 + x = 10.842624221 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = 10.842624221 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 10.842624221 + 0.75 x = 10.842624221 + 0.75 Combine like terms: 10.842624221 + 0.75 = 11.592624221 x = 11.592624221 Simplifying x = 11.592624221

Subproblem 2

x + -0.75 = -10.842624221 Simplifying x + -0.75 = -10.842624221 Reorder the terms: -0.75 + x = -10.842624221 Solving -0.75 + x = -10.842624221 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.75' to each side of the equation. -0.75 + 0.75 + x = -10.842624221 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -10.842624221 + 0.75 x = -10.842624221 + 0.75 Combine like terms: -10.842624221 + 0.75 = -10.092624221 x = -10.092624221 Simplifying x = -10.092624221

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.592624221, -10.092624221}

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