9-25x^2+50x+25=

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Solution for 9-25x^2+50x+25= equation:


Simplifying
9 + -25x2 + 50x + 25 = 0

Reorder the terms:
9 + 25 + 50x + -25x2 = 0

Combine like terms: 9 + 25 = 34
34 + 50x + -25x2 = 0

Solving
34 + 50x + -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'.
-1.36 + -2x + x2 = 0

Move the constant term to the right:

Add '1.36' to each side of the equation.
-1.36 + -2x + 1.36 + x2 = 0 + 1.36

Reorder the terms:
-1.36 + 1.36 + -2x + x2 = 0 + 1.36

Combine like terms: -1.36 + 1.36 = 0.00
0.00 + -2x + x2 = 0 + 1.36
-2x + x2 = 0 + 1.36

Combine like terms: 0 + 1.36 = 1.36
-2x + x2 = 1.36

The x term is -2x.  Take half its coefficient (-1).
Square it (1) and add it to both sides.

Add '1' to each side of the equation.
-2x + 1 + x2 = 1.36 + 1

Reorder the terms:
1 + -2x + x2 = 1.36 + 1

Combine like terms: 1.36 + 1 = 2.36
1 + -2x + x2 = 2.36

Factor a perfect square on the left side:
(x + -1)(x + -1) = 2.36

Calculate the square root of the right side: 1.53622915

Break this problem into two subproblems by setting 
(x + -1) equal to 1.53622915 and -1.53622915.

Subproblem 1

x + -1 = 1.53622915 Simplifying x + -1 = 1.53622915 Reorder the terms: -1 + x = 1.53622915 Solving -1 + x = 1.53622915 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = 1.53622915 + 1 Combine like terms: -1 + 1 = 0 0 + x = 1.53622915 + 1 x = 1.53622915 + 1 Combine like terms: 1.53622915 + 1 = 2.53622915 x = 2.53622915 Simplifying x = 2.53622915

Subproblem 2

x + -1 = -1.53622915 Simplifying x + -1 = -1.53622915 Reorder the terms: -1 + x = -1.53622915 Solving -1 + x = -1.53622915 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '1' to each side of the equation. -1 + 1 + x = -1.53622915 + 1 Combine like terms: -1 + 1 = 0 0 + x = -1.53622915 + 1 x = -1.53622915 + 1 Combine like terms: -1.53622915 + 1 = -0.53622915 x = -0.53622915 Simplifying x = -0.53622915

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.53622915, -0.53622915}

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