4x^2+x-14=2x-1

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Solution for 4x^2+x-14=2x-1 equation:


Simplifying
4x2 + x + -14 = 2x + -1

Reorder the terms:
-14 + x + 4x2 = 2x + -1

Reorder the terms:
-14 + x + 4x2 = -1 + 2x

Solving
-14 + x + 4x2 = -1 + 2x

Solving for variable 'x'.

Reorder the terms:
-14 + 1 + x + -2x + 4x2 = -1 + 2x + 1 + -2x

Combine like terms: -14 + 1 = -13
-13 + x + -2x + 4x2 = -1 + 2x + 1 + -2x

Combine like terms: x + -2x = -1x
-13 + -1x + 4x2 = -1 + 2x + 1 + -2x

Reorder the terms:
-13 + -1x + 4x2 = -1 + 1 + 2x + -2x

Combine like terms: -1 + 1 = 0
-13 + -1x + 4x2 = 0 + 2x + -2x
-13 + -1x + 4x2 = 2x + -2x

Combine like terms: 2x + -2x = 0
-13 + -1x + 4x2 = 0

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

Divide each side by '4'.
-3.25 + -0.25x + x2 = 0

Move the constant term to the right:

Add '3.25' to each side of the equation.
-3.25 + -0.25x + 3.25 + x2 = 0 + 3.25

Reorder the terms:
-3.25 + 3.25 + -0.25x + x2 = 0 + 3.25

Combine like terms: -3.25 + 3.25 = 0.00
0.00 + -0.25x + x2 = 0 + 3.25
-0.25x + x2 = 0 + 3.25

Combine like terms: 0 + 3.25 = 3.25
-0.25x + x2 = 3.25

The x term is -0.25x.  Take half its coefficient (-0.125).
Square it (0.015625) and add it to both sides.

Add '0.015625' to each side of the equation.
-0.25x + 0.015625 + x2 = 3.25 + 0.015625

Reorder the terms:
0.015625 + -0.25x + x2 = 3.25 + 0.015625

Combine like terms: 3.25 + 0.015625 = 3.265625
0.015625 + -0.25x + x2 = 3.265625

Factor a perfect square on the left side:
(x + -0.125)(x + -0.125) = 3.265625

Calculate the square root of the right side: 1.807104037

Break this problem into two subproblems by setting 
(x + -0.125) equal to 1.807104037 and -1.807104037.

Subproblem 1

x + -0.125 = 1.807104037 Simplifying x + -0.125 = 1.807104037 Reorder the terms: -0.125 + x = 1.807104037 Solving -0.125 + x = 1.807104037 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.125' to each side of the equation. -0.125 + 0.125 + x = 1.807104037 + 0.125 Combine like terms: -0.125 + 0.125 = 0.000 0.000 + x = 1.807104037 + 0.125 x = 1.807104037 + 0.125 Combine like terms: 1.807104037 + 0.125 = 1.932104037 x = 1.932104037 Simplifying x = 1.932104037

Subproblem 2

x + -0.125 = -1.807104037 Simplifying x + -0.125 = -1.807104037 Reorder the terms: -0.125 + x = -1.807104037 Solving -0.125 + x = -1.807104037 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.125' to each side of the equation. -0.125 + 0.125 + x = -1.807104037 + 0.125 Combine like terms: -0.125 + 0.125 = 0.000 0.000 + x = -1.807104037 + 0.125 x = -1.807104037 + 0.125 Combine like terms: -1.807104037 + 0.125 = -1.682104037 x = -1.682104037 Simplifying x = -1.682104037

Solution

The solution to the problem is based on the solutions from the subproblems. x = {1.932104037, -1.682104037}

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