4x^2-725x+625=0

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Solution for 4x^2-725x+625=0 equation:


Simplifying
4x2 + -725x + 625 = 0

Reorder the terms:
625 + -725x + 4x2 = 0

Solving
625 + -725x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
156.25 + -181.25x + x2 = 0

Move the constant term to the right:

Add '-156.25' to each side of the equation.
156.25 + -181.25x + -156.25 + x2 = 0 + -156.25

Reorder the terms:
156.25 + -156.25 + -181.25x + x2 = 0 + -156.25

Combine like terms: 156.25 + -156.25 = 0.00
0.00 + -181.25x + x2 = 0 + -156.25
-181.25x + x2 = 0 + -156.25

Combine like terms: 0 + -156.25 = -156.25
-181.25x + x2 = -156.25

The x term is -181.25x.  Take half its coefficient (-90.625).
Square it (8212.890625) and add it to both sides.

Add '8212.890625' to each side of the equation.
-181.25x + 8212.890625 + x2 = -156.25 + 8212.890625

Reorder the terms:
8212.890625 + -181.25x + x2 = -156.25 + 8212.890625

Combine like terms: -156.25 + 8212.890625 = 8056.640625
8212.890625 + -181.25x + x2 = 8056.640625

Factor a perfect square on the left side:
(x + -90.625)(x + -90.625) = 8056.640625

Calculate the square root of the right side: 89.758791352

Break this problem into two subproblems by setting 
(x + -90.625) equal to 89.758791352 and -89.758791352.

Subproblem 1

x + -90.625 = 89.758791352 Simplifying x + -90.625 = 89.758791352 Reorder the terms: -90.625 + x = 89.758791352 Solving -90.625 + x = 89.758791352 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '90.625' to each side of the equation. -90.625 + 90.625 + x = 89.758791352 + 90.625 Combine like terms: -90.625 + 90.625 = 0.000 0.000 + x = 89.758791352 + 90.625 x = 89.758791352 + 90.625 Combine like terms: 89.758791352 + 90.625 = 180.383791352 x = 180.383791352 Simplifying x = 180.383791352

Subproblem 2

x + -90.625 = -89.758791352 Simplifying x + -90.625 = -89.758791352 Reorder the terms: -90.625 + x = -89.758791352 Solving -90.625 + x = -89.758791352 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '90.625' to each side of the equation. -90.625 + 90.625 + x = -89.758791352 + 90.625 Combine like terms: -90.625 + 90.625 = 0.000 0.000 + x = -89.758791352 + 90.625 x = -89.758791352 + 90.625 Combine like terms: -89.758791352 + 90.625 = 0.866208648 x = 0.866208648 Simplifying x = 0.866208648

Solution

The solution to the problem is based on the solutions from the subproblems. x = {180.383791352, 0.866208648}

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