4x^2-25x+23=-5+2

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Solution for 4x^2-25x+23=-5+2 equation:


Simplifying
4x2 + -25x + 23 = -5 + 2

Reorder the terms:
23 + -25x + 4x2 = -5 + 2

Combine like terms: -5 + 2 = -3
23 + -25x + 4x2 = -3

Solving
23 + -25x + 4x2 = -3

Solving for variable 'x'.

Reorder the terms:
23 + 3 + -25x + 4x2 = -3 + 3

Combine like terms: 23 + 3 = 26
26 + -25x + 4x2 = -3 + 3

Combine like terms: -3 + 3 = 0
26 + -25x + 4x2 = 0

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

Divide each side by '4'.
6.5 + -6.25x + x2 = 0

Move the constant term to the right:

Add '-6.5' to each side of the equation.
6.5 + -6.25x + -6.5 + x2 = 0 + -6.5

Reorder the terms:
6.5 + -6.5 + -6.25x + x2 = 0 + -6.5

Combine like terms: 6.5 + -6.5 = 0.0
0.0 + -6.25x + x2 = 0 + -6.5
-6.25x + x2 = 0 + -6.5

Combine like terms: 0 + -6.5 = -6.5
-6.25x + x2 = -6.5

The x term is -6.25x.  Take half its coefficient (-3.125).
Square it (9.765625) and add it to both sides.

Add '9.765625' to each side of the equation.
-6.25x + 9.765625 + x2 = -6.5 + 9.765625

Reorder the terms:
9.765625 + -6.25x + x2 = -6.5 + 9.765625

Combine like terms: -6.5 + 9.765625 = 3.265625
9.765625 + -6.25x + x2 = 3.265625

Factor a perfect square on the left side:
(x + -3.125)(x + -3.125) = 3.265625

Calculate the square root of the right side: 1.807104037

Break this problem into two subproblems by setting 
(x + -3.125) equal to 1.807104037 and -1.807104037.

Subproblem 1

x + -3.125 = 1.807104037 Simplifying x + -3.125 = 1.807104037 Reorder the terms: -3.125 + x = 1.807104037 Solving -3.125 + x = 1.807104037 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.125' to each side of the equation. -3.125 + 3.125 + x = 1.807104037 + 3.125 Combine like terms: -3.125 + 3.125 = 0.000 0.000 + x = 1.807104037 + 3.125 x = 1.807104037 + 3.125 Combine like terms: 1.807104037 + 3.125 = 4.932104037 x = 4.932104037 Simplifying x = 4.932104037

Subproblem 2

x + -3.125 = -1.807104037 Simplifying x + -3.125 = -1.807104037 Reorder the terms: -3.125 + x = -1.807104037 Solving -3.125 + x = -1.807104037 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.125' to each side of the equation. -3.125 + 3.125 + x = -1.807104037 + 3.125 Combine like terms: -3.125 + 3.125 = 0.000 0.000 + x = -1.807104037 + 3.125 x = -1.807104037 + 3.125 Combine like terms: -1.807104037 + 3.125 = 1.317895963 x = 1.317895963 Simplifying x = 1.317895963

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.932104037, 1.317895963}

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