2x^2-25x+25=0

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Solution for 2x^2-25x+25=0 equation:


Simplifying
2x2 + -25x + 25 = 0

Reorder the terms:
25 + -25x + 2x2 = 0

Solving
25 + -25x + 2x2 = 0

Solving for variable 'x'.

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

Divide each side by '2'.
12.5 + -12.5x + x2 = 0

Move the constant term to the right:

Add '-12.5' to each side of the equation.
12.5 + -12.5x + -12.5 + x2 = 0 + -12.5

Reorder the terms:
12.5 + -12.5 + -12.5x + x2 = 0 + -12.5

Combine like terms: 12.5 + -12.5 = 0.0
0.0 + -12.5x + x2 = 0 + -12.5
-12.5x + x2 = 0 + -12.5

Combine like terms: 0 + -12.5 = -12.5
-12.5x + x2 = -12.5

The x term is -12.5x.  Take half its coefficient (-6.25).
Square it (39.0625) and add it to both sides.

Add '39.0625' to each side of the equation.
-12.5x + 39.0625 + x2 = -12.5 + 39.0625

Reorder the terms:
39.0625 + -12.5x + x2 = -12.5 + 39.0625

Combine like terms: -12.5 + 39.0625 = 26.5625
39.0625 + -12.5x + x2 = 26.5625

Factor a perfect square on the left side:
(x + -6.25)(x + -6.25) = 26.5625

Calculate the square root of the right side: 5.153882032

Break this problem into two subproblems by setting 
(x + -6.25) equal to 5.153882032 and -5.153882032.

Subproblem 1

x + -6.25 = 5.153882032 Simplifying x + -6.25 = 5.153882032 Reorder the terms: -6.25 + x = 5.153882032 Solving -6.25 + x = 5.153882032 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.25' to each side of the equation. -6.25 + 6.25 + x = 5.153882032 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = 5.153882032 + 6.25 x = 5.153882032 + 6.25 Combine like terms: 5.153882032 + 6.25 = 11.403882032 x = 11.403882032 Simplifying x = 11.403882032

Subproblem 2

x + -6.25 = -5.153882032 Simplifying x + -6.25 = -5.153882032 Reorder the terms: -6.25 + x = -5.153882032 Solving -6.25 + x = -5.153882032 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.25' to each side of the equation. -6.25 + 6.25 + x = -5.153882032 + 6.25 Combine like terms: -6.25 + 6.25 = 0.00 0.00 + x = -5.153882032 + 6.25 x = -5.153882032 + 6.25 Combine like terms: -5.153882032 + 6.25 = 1.096117968 x = 1.096117968 Simplifying x = 1.096117968

Solution

The solution to the problem is based on the solutions from the subproblems. x = {11.403882032, 1.096117968}

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