x^2-3x=-0.5

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Solution for x^2-3x=-0.5 equation: 


Simplifying
x2 + -3x = -0.5

Reorder the terms:
-3x + x2 = -0.5

Solving
-3x + x2 = -0.5

Solving for variable 'x'.

Reorder the terms:
0.5 + -3x + x2 = -0.5 + 0.5

Combine like terms: -0.5 + 0.5 = 0.0
0.5 + -3x + x2 = 0.0

Begin completing the square.

Move the constant term to the right:

Add '-0.5' to each side of the equation.
0.5 + -3x + -0.5 + x2 = 0.0 + -0.5

Reorder the terms:
0.5 + -0.5 + -3x + x2 = 0.0 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -3x + x2 = 0.0 + -0.5
-3x + x2 = 0.0 + -0.5

Combine like terms: 0.0 + -0.5 = -0.5
-3x + x2 = -0.5

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 = -0.5 + 2.25

Reorder the terms:
2.25 + -3x + x2 = -0.5 + 2.25

Combine like terms: -0.5 + 2.25 = 1.75
2.25 + -3x + x2 = 1.75

Factor a perfect square on the left side:
(x + -1.5)(x + -1.5) = 1.75

Calculate the square root of the right side: 1.322875656

Break this problem into two subproblems by setting 
(x + -1.5) equal to 1.322875656 and -1.322875656.


Subproblem 1
x + -1.5 = 1.322875656

Simplifying
x + -1.5 = 1.322875656

Reorder the terms:
-1.5 + x = 1.322875656

Solving
-1.5 + x = 1.322875656

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 = 1.322875656 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + x = 1.322875656 + 1.5
x = 1.322875656 + 1.5

Combine like terms: 1.322875656 + 1.5 = 2.822875656
x = 2.822875656

Simplifying
x = 2.822875656


Subproblem 2
x + -1.5 = -1.322875656

Simplifying
x + -1.5 = -1.322875656

Reorder the terms:
-1.5 + x = -1.322875656

Solving
-1.5 + x = -1.322875656

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 = -1.322875656 + 1.5

Combine like terms: -1.5 + 1.5 = 0.0
0.0 + x = -1.322875656 + 1.5
x = -1.322875656 + 1.5

Combine like terms: -1.322875656 + 1.5 = 0.177124344
x = 0.177124344

Simplifying
x = 0.177124344


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {2.822875656, 0.177124344}

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