x^2=3.25x-.5

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Solution for x^2=3.25x-.5 equation:


Simplifying
x2 = 3.25x + -0.5

Reorder the terms:
x2 = -0.5 + 3.25x

Solving
x2 = -0.5 + 3.25x

Solving for variable 'x'.

Reorder the terms:
0.5 + -3.25x + x2 = -0.5 + 3.25x + 0.5 + -3.25x

Reorder the terms:
0.5 + -3.25x + x2 = -0.5 + 0.5 + 3.25x + -3.25x

Combine like terms: -0.5 + 0.5 = 0.0
0.5 + -3.25x + x2 = 0.0 + 3.25x + -3.25x
0.5 + -3.25x + x2 = 3.25x + -3.25x

Combine like terms: 3.25x + -3.25x = 0.00
0.5 + -3.25x + x2 = 0.00

Begin completing the square.

Move the constant term to the right:

Add '-0.5' to each side of the equation.
0.5 + -3.25x + -0.5 + x2 = 0.00 + -0.5

Reorder the terms:
0.5 + -0.5 + -3.25x + x2 = 0.00 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + -3.25x + x2 = 0.00 + -0.5
-3.25x + x2 = 0.00 + -0.5

Combine like terms: 0.00 + -0.5 = -0.5
-3.25x + x2 = -0.5

The x term is -3.25x.  Take half its coefficient (-1.625).
Square it (2.640625) and add it to both sides.

Add '2.640625' to each side of the equation.
-3.25x + 2.640625 + x2 = -0.5 + 2.640625

Reorder the terms:
2.640625 + -3.25x + x2 = -0.5 + 2.640625

Combine like terms: -0.5 + 2.640625 = 2.140625
2.640625 + -3.25x + x2 = 2.140625

Factor a perfect square on the left side:
(x + -1.625)(x + -1.625) = 2.140625

Calculate the square root of the right side: 1.463087489

Break this problem into two subproblems by setting 
(x + -1.625) equal to 1.463087489 and -1.463087489.

Subproblem 1

x + -1.625 = 1.463087489 Simplifying x + -1.625 = 1.463087489 Reorder the terms: -1.625 + x = 1.463087489 Solving -1.625 + x = 1.463087489 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.625' to each side of the equation. -1.625 + 1.625 + x = 1.463087489 + 1.625 Combine like terms: -1.625 + 1.625 = 0.000 0.000 + x = 1.463087489 + 1.625 x = 1.463087489 + 1.625 Combine like terms: 1.463087489 + 1.625 = 3.088087489 x = 3.088087489 Simplifying x = 3.088087489

Subproblem 2

x + -1.625 = -1.463087489 Simplifying x + -1.625 = -1.463087489 Reorder the terms: -1.625 + x = -1.463087489 Solving -1.625 + x = -1.463087489 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1.625' to each side of the equation. -1.625 + 1.625 + x = -1.463087489 + 1.625 Combine like terms: -1.625 + 1.625 = 0.000 0.000 + x = -1.463087489 + 1.625 x = -1.463087489 + 1.625 Combine like terms: -1.463087489 + 1.625 = 0.161912511 x = 0.161912511 Simplifying x = 0.161912511

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.088087489, 0.161912511}

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