2x^2-3x+2=252

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Solution for 2x^2-3x+2=252 equation:


Simplifying
2x2 + -3x + 2 = 252

Reorder the terms:
2 + -3x + 2x2 = 252

Solving
2 + -3x + 2x2 = 252

Solving for variable 'x'.

Reorder the terms:
2 + -252 + -3x + 2x2 = 252 + -252

Combine like terms: 2 + -252 = -250
-250 + -3x + 2x2 = 252 + -252

Combine like terms: 252 + -252 = 0
-250 + -3x + 2x2 = 0

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

Divide each side by '2'.
-125 + -1.5x + x2 = 0

Move the constant term to the right:

Add '125' to each side of the equation.
-125 + -1.5x + 125 + x2 = 0 + 125

Reorder the terms:
-125 + 125 + -1.5x + x2 = 0 + 125

Combine like terms: -125 + 125 = 0
0 + -1.5x + x2 = 0 + 125
-1.5x + x2 = 0 + 125

Combine like terms: 0 + 125 = 125
-1.5x + x2 = 125

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 = 125 + 0.5625

Reorder the terms:
0.5625 + -1.5x + x2 = 125 + 0.5625

Combine like terms: 125 + 0.5625 = 125.5625
0.5625 + -1.5x + x2 = 125.5625

Factor a perfect square on the left side:
(x + -0.75)(x + -0.75) = 125.5625

Calculate the square root of the right side: 11.205467416

Break this problem into two subproblems by setting 
(x + -0.75) equal to 11.205467416 and -11.205467416.

Subproblem 1

x + -0.75 = 11.205467416 Simplifying x + -0.75 = 11.205467416 Reorder the terms: -0.75 + x = 11.205467416 Solving -0.75 + x = 11.205467416 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 = 11.205467416 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = 11.205467416 + 0.75 x = 11.205467416 + 0.75 Combine like terms: 11.205467416 + 0.75 = 11.955467416 x = 11.955467416 Simplifying x = 11.955467416

Subproblem 2

x + -0.75 = -11.205467416 Simplifying x + -0.75 = -11.205467416 Reorder the terms: -0.75 + x = -11.205467416 Solving -0.75 + x = -11.205467416 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 = -11.205467416 + 0.75 Combine like terms: -0.75 + 0.75 = 0.00 0.00 + x = -11.205467416 + 0.75 x = -11.205467416 + 0.75 Combine like terms: -11.205467416 + 0.75 = -10.455467416 x = -10.455467416 Simplifying x = -10.455467416

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.955467416, -10.455467416}

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