.5x^2+1.5x-2=2000

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Solution for .5x^2+1.5x-2=2000 equation:


Simplifying
0.5x2 + 1.5x + -2 = 2000

Reorder the terms:
-2 + 1.5x + 0.5x2 = 2000

Solving
-2 + 1.5x + 0.5x2 = 2000

Solving for variable 'x'.

Reorder the terms:
-2 + -2000 + 1.5x + 0.5x2 = 2000 + -2000

Combine like terms: -2 + -2000 = -2002
-2002 + 1.5x + 0.5x2 = 2000 + -2000

Combine like terms: 2000 + -2000 = 0
-2002 + 1.5x + 0.5x2 = 0

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

Divide each side by '0.5'.
-4004 + 3x + x2 = 0

Move the constant term to the right:

Add '4004' to each side of the equation.
-4004 + 3x + 4004 + x2 = 0 + 4004

Reorder the terms:
-4004 + 4004 + 3x + x2 = 0 + 4004

Combine like terms: -4004 + 4004 = 0
0 + 3x + x2 = 0 + 4004
3x + x2 = 0 + 4004

Combine like terms: 0 + 4004 = 4004
3x + x2 = 4004

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 = 4004 + 2.25

Reorder the terms:
2.25 + 3x + x2 = 4004 + 2.25

Combine like terms: 4004 + 2.25 = 4006.25
2.25 + 3x + x2 = 4006.25

Factor a perfect square on the left side:
(x + 1.5)(x + 1.5) = 4006.25

Calculate the square root of the right side: 63.294944506

Break this problem into two subproblems by setting 
(x + 1.5) equal to 63.294944506 and -63.294944506.

Subproblem 1

x + 1.5 = 63.294944506 Simplifying x + 1.5 = 63.294944506 Reorder the terms: 1.5 + x = 63.294944506 Solving 1.5 + x = 63.294944506 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 = 63.294944506 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = 63.294944506 + -1.5 x = 63.294944506 + -1.5 Combine like terms: 63.294944506 + -1.5 = 61.794944506 x = 61.794944506 Simplifying x = 61.794944506

Subproblem 2

x + 1.5 = -63.294944506 Simplifying x + 1.5 = -63.294944506 Reorder the terms: 1.5 + x = -63.294944506 Solving 1.5 + x = -63.294944506 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 = -63.294944506 + -1.5 Combine like terms: 1.5 + -1.5 = 0.0 0.0 + x = -63.294944506 + -1.5 x = -63.294944506 + -1.5 Combine like terms: -63.294944506 + -1.5 = -64.794944506 x = -64.794944506 Simplifying x = -64.794944506

Solution

The solution to the problem is based on the solutions from the subproblems. x = {61.794944506, -64.794944506}

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