25x^2-24x-25=0

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Solution for 25x^2-24x-25=0 equation:


Simplifying
25x2 + -24x + -25 = 0

Reorder the terms:
-25 + -24x + 25x2 = 0

Solving
-25 + -24x + 25x2 = 0

Solving for variable 'x'.

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

Divide each side by '25'.
-1 + -0.96x + x2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + -0.96x + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + -0.96x + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -0.96x + x2 = 0 + 1
-0.96x + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
-0.96x + x2 = 1

The x term is -0.96x.  Take half its coefficient (-0.48).
Square it (0.2304) and add it to both sides.

Add '0.2304' to each side of the equation.
-0.96x + 0.2304 + x2 = 1 + 0.2304

Reorder the terms:
0.2304 + -0.96x + x2 = 1 + 0.2304

Combine like terms: 1 + 0.2304 = 1.2304
0.2304 + -0.96x + x2 = 1.2304

Factor a perfect square on the left side:
(x + -0.48)(x + -0.48) = 1.2304

Calculate the square root of the right side: 1.10923397

Break this problem into two subproblems by setting 
(x + -0.48) equal to 1.10923397 and -1.10923397.

Subproblem 1

x + -0.48 = 1.10923397 Simplifying x + -0.48 = 1.10923397 Reorder the terms: -0.48 + x = 1.10923397 Solving -0.48 + x = 1.10923397 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.48' to each side of the equation. -0.48 + 0.48 + x = 1.10923397 + 0.48 Combine like terms: -0.48 + 0.48 = 0.00 0.00 + x = 1.10923397 + 0.48 x = 1.10923397 + 0.48 Combine like terms: 1.10923397 + 0.48 = 1.58923397 x = 1.58923397 Simplifying x = 1.58923397

Subproblem 2

x + -0.48 = -1.10923397 Simplifying x + -0.48 = -1.10923397 Reorder the terms: -0.48 + x = -1.10923397 Solving -0.48 + x = -1.10923397 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.48' to each side of the equation. -0.48 + 0.48 + x = -1.10923397 + 0.48 Combine like terms: -0.48 + 0.48 = 0.00 0.00 + x = -1.10923397 + 0.48 x = -1.10923397 + 0.48 Combine like terms: -1.10923397 + 0.48 = -0.62923397 x = -0.62923397 Simplifying x = -0.62923397

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.58923397, -0.62923397}

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