25x^2-30x+9-11-4x-1=1

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Solution for 25x^2-30x+9-11-4x-1=1 equation:


Simplifying
25x2 + -30x + 9 + -11 + -4x + -1 = 1

Reorder the terms:
9 + -11 + -1 + -30x + -4x + 25x2 = 1

Combine like terms: 9 + -11 = -2
-2 + -1 + -30x + -4x + 25x2 = 1

Combine like terms: -2 + -1 = -3
-3 + -30x + -4x + 25x2 = 1

Combine like terms: -30x + -4x = -34x
-3 + -34x + 25x2 = 1

Solving
-3 + -34x + 25x2 = 1

Solving for variable 'x'.

Reorder the terms:
-3 + -1 + -34x + 25x2 = 1 + -1

Combine like terms: -3 + -1 = -4
-4 + -34x + 25x2 = 1 + -1

Combine like terms: 1 + -1 = 0
-4 + -34x + 25x2 = 0

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

Divide each side by '25'.
-0.16 + -1.36x + x2 = 0

Move the constant term to the right:

Add '0.16' to each side of the equation.
-0.16 + -1.36x + 0.16 + x2 = 0 + 0.16

Reorder the terms:
-0.16 + 0.16 + -1.36x + x2 = 0 + 0.16

Combine like terms: -0.16 + 0.16 = 0.00
0.00 + -1.36x + x2 = 0 + 0.16
-1.36x + x2 = 0 + 0.16

Combine like terms: 0 + 0.16 = 0.16
-1.36x + x2 = 0.16

The x term is -1.36x.  Take half its coefficient (-0.68).
Square it (0.4624) and add it to both sides.

Add '0.4624' to each side of the equation.
-1.36x + 0.4624 + x2 = 0.16 + 0.4624

Reorder the terms:
0.4624 + -1.36x + x2 = 0.16 + 0.4624

Combine like terms: 0.16 + 0.4624 = 0.6224
0.4624 + -1.36x + x2 = 0.6224

Factor a perfect square on the left side:
(x + -0.68)(x + -0.68) = 0.6224

Calculate the square root of the right side: 0.788923317

Break this problem into two subproblems by setting 
(x + -0.68) equal to 0.788923317 and -0.788923317.

Subproblem 1

x + -0.68 = 0.788923317 Simplifying x + -0.68 = 0.788923317 Reorder the terms: -0.68 + x = 0.788923317 Solving -0.68 + x = 0.788923317 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.68' to each side of the equation. -0.68 + 0.68 + x = 0.788923317 + 0.68 Combine like terms: -0.68 + 0.68 = 0.00 0.00 + x = 0.788923317 + 0.68 x = 0.788923317 + 0.68 Combine like terms: 0.788923317 + 0.68 = 1.468923317 x = 1.468923317 Simplifying x = 1.468923317

Subproblem 2

x + -0.68 = -0.788923317 Simplifying x + -0.68 = -0.788923317 Reorder the terms: -0.68 + x = -0.788923317 Solving -0.68 + x = -0.788923317 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.68' to each side of the equation. -0.68 + 0.68 + x = -0.788923317 + 0.68 Combine like terms: -0.68 + 0.68 = 0.00 0.00 + x = -0.788923317 + 0.68 x = -0.788923317 + 0.68 Combine like terms: -0.788923317 + 0.68 = -0.108923317 x = -0.108923317 Simplifying x = -0.108923317

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.468923317, -0.108923317}

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