4x^2+8-3=27-19x

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Solution for 4x^2+8-3=27-19x equation:


Simplifying
4x2 + 8 + -3 = 27 + -19x

Reorder the terms:
8 + -3 + 4x2 = 27 + -19x

Combine like terms: 8 + -3 = 5
5 + 4x2 = 27 + -19x

Solving
5 + 4x2 = 27 + -19x

Solving for variable 'x'.

Reorder the terms:
5 + -27 + 19x + 4x2 = 27 + -19x + -27 + 19x

Combine like terms: 5 + -27 = -22
-22 + 19x + 4x2 = 27 + -19x + -27 + 19x

Reorder the terms:
-22 + 19x + 4x2 = 27 + -27 + -19x + 19x

Combine like terms: 27 + -27 = 0
-22 + 19x + 4x2 = 0 + -19x + 19x
-22 + 19x + 4x2 = -19x + 19x

Combine like terms: -19x + 19x = 0
-22 + 19x + 4x2 = 0

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

Divide each side by '4'.
-5.5 + 4.75x + x2 = 0

Move the constant term to the right:

Add '5.5' to each side of the equation.
-5.5 + 4.75x + 5.5 + x2 = 0 + 5.5

Reorder the terms:
-5.5 + 5.5 + 4.75x + x2 = 0 + 5.5

Combine like terms: -5.5 + 5.5 = 0.0
0.0 + 4.75x + x2 = 0 + 5.5
4.75x + x2 = 0 + 5.5

Combine like terms: 0 + 5.5 = 5.5
4.75x + x2 = 5.5

The x term is 4.75x.  Take half its coefficient (2.375).
Square it (5.640625) and add it to both sides.

Add '5.640625' to each side of the equation.
4.75x + 5.640625 + x2 = 5.5 + 5.640625

Reorder the terms:
5.640625 + 4.75x + x2 = 5.5 + 5.640625

Combine like terms: 5.5 + 5.640625 = 11.140625
5.640625 + 4.75x + x2 = 11.140625

Factor a perfect square on the left side:
(x + 2.375)(x + 2.375) = 11.140625

Calculate the square root of the right side: 3.337757481

Break this problem into two subproblems by setting 
(x + 2.375) equal to 3.337757481 and -3.337757481.

Subproblem 1

x + 2.375 = 3.337757481 Simplifying x + 2.375 = 3.337757481 Reorder the terms: 2.375 + x = 3.337757481 Solving 2.375 + x = 3.337757481 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.375' to each side of the equation. 2.375 + -2.375 + x = 3.337757481 + -2.375 Combine like terms: 2.375 + -2.375 = 0.000 0.000 + x = 3.337757481 + -2.375 x = 3.337757481 + -2.375 Combine like terms: 3.337757481 + -2.375 = 0.962757481 x = 0.962757481 Simplifying x = 0.962757481

Subproblem 2

x + 2.375 = -3.337757481 Simplifying x + 2.375 = -3.337757481 Reorder the terms: 2.375 + x = -3.337757481 Solving 2.375 + x = -3.337757481 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-2.375' to each side of the equation. 2.375 + -2.375 + x = -3.337757481 + -2.375 Combine like terms: 2.375 + -2.375 = 0.000 0.000 + x = -3.337757481 + -2.375 x = -3.337757481 + -2.375 Combine like terms: -3.337757481 + -2.375 = -5.712757481 x = -5.712757481 Simplifying x = -5.712757481

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.962757481, -5.712757481}

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