.5x^2+x=264

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Solution for .5x^2+x=264 equation:


Simplifying
0.5x2 + x = 264

Reorder the terms:
x + 0.5x2 = 264

Solving
x + 0.5x2 = 264

Solving for variable 'x'.

Reorder the terms:
-264 + x + 0.5x2 = 264 + -264

Combine like terms: 264 + -264 = 0
-264 + x + 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'.
-528 + 2x + x2 = 0

Move the constant term to the right:

Add '528' to each side of the equation.
-528 + 2x + 528 + x2 = 0 + 528

Reorder the terms:
-528 + 528 + 2x + x2 = 0 + 528

Combine like terms: -528 + 528 = 0
0 + 2x + x2 = 0 + 528
2x + x2 = 0 + 528

Combine like terms: 0 + 528 = 528
2x + x2 = 528

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
2x + 0.25 + x2 = 528 + 0.25

Reorder the terms:
0.25 + 2x + x2 = 528 + 0.25

Combine like terms: 528 + 0.25 = 528.25
0.25 + 2x + x2 = 528.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 528.25

Calculate the square root of the right side: 22.983689869

Break this problem into two subproblems by setting 
(x + 0.5) equal to 22.983689869 and -22.983689869.

Subproblem 1

x + 0.5 = 22.983689869 Simplifying x + 0.5 = 22.983689869 Reorder the terms: 0.5 + x = 22.983689869 Solving 0.5 + x = 22.983689869 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 22.983689869 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 22.983689869 + -0.5 x = 22.983689869 + -0.5 Combine like terms: 22.983689869 + -0.5 = 22.483689869 x = 22.483689869 Simplifying x = 22.483689869

Subproblem 2

x + 0.5 = -22.983689869 Simplifying x + 0.5 = -22.983689869 Reorder the terms: 0.5 + x = -22.983689869 Solving 0.5 + x = -22.983689869 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -22.983689869 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -22.983689869 + -0.5 x = -22.983689869 + -0.5 Combine like terms: -22.983689869 + -0.5 = -23.483689869 x = -23.483689869 Simplifying x = -23.483689869

Solution

The solution to the problem is based on the solutions from the subproblems. x = {22.483689869, -23.483689869}

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