4x^2-23x+8=-2+3

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Solution for 4x^2-23x+8=-2+3 equation:


Simplifying
4x2 + -23x + 8 = -2 + 3

Reorder the terms:
8 + -23x + 4x2 = -2 + 3

Combine like terms: -2 + 3 = 1
8 + -23x + 4x2 = 1

Solving
8 + -23x + 4x2 = 1

Solving for variable 'x'.

Reorder the terms:
8 + -1 + -23x + 4x2 = 1 + -1

Combine like terms: 8 + -1 = 7
7 + -23x + 4x2 = 1 + -1

Combine like terms: 1 + -1 = 0
7 + -23x + 4x2 = 0

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

Divide each side by '4'.
1.75 + -5.75x + x2 = 0

Move the constant term to the right:

Add '-1.75' to each side of the equation.
1.75 + -5.75x + -1.75 + x2 = 0 + -1.75

Reorder the terms:
1.75 + -1.75 + -5.75x + x2 = 0 + -1.75

Combine like terms: 1.75 + -1.75 = 0.00
0.00 + -5.75x + x2 = 0 + -1.75
-5.75x + x2 = 0 + -1.75

Combine like terms: 0 + -1.75 = -1.75
-5.75x + x2 = -1.75

The x term is -5.75x.  Take half its coefficient (-2.875).
Square it (8.265625) and add it to both sides.

Add '8.265625' to each side of the equation.
-5.75x + 8.265625 + x2 = -1.75 + 8.265625

Reorder the terms:
8.265625 + -5.75x + x2 = -1.75 + 8.265625

Combine like terms: -1.75 + 8.265625 = 6.515625
8.265625 + -5.75x + x2 = 6.515625

Factor a perfect square on the left side:
(x + -2.875)(x + -2.875) = 6.515625

Calculate the square root of the right side: 2.552572232

Break this problem into two subproblems by setting 
(x + -2.875) equal to 2.552572232 and -2.552572232.

Subproblem 1

x + -2.875 = 2.552572232 Simplifying x + -2.875 = 2.552572232 Reorder the terms: -2.875 + x = 2.552572232 Solving -2.875 + x = 2.552572232 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = 2.552572232 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = 2.552572232 + 2.875 x = 2.552572232 + 2.875 Combine like terms: 2.552572232 + 2.875 = 5.427572232 x = 5.427572232 Simplifying x = 5.427572232

Subproblem 2

x + -2.875 = -2.552572232 Simplifying x + -2.875 = -2.552572232 Reorder the terms: -2.875 + x = -2.552572232 Solving -2.875 + x = -2.552572232 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.875' to each side of the equation. -2.875 + 2.875 + x = -2.552572232 + 2.875 Combine like terms: -2.875 + 2.875 = 0.000 0.000 + x = -2.552572232 + 2.875 x = -2.552572232 + 2.875 Combine like terms: -2.552572232 + 2.875 = 0.322427768 x = 0.322427768 Simplifying x = 0.322427768

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.427572232, 0.322427768}

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