4x^2-37x-14=0

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Solution for 4x^2-37x-14=0 equation:


Simplifying
4x2 + -37x + -14 = 0

Reorder the terms:
-14 + -37x + 4x2 = 0

Solving
-14 + -37x + 4x2 = 0

Solving for variable 'x'.

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

Divide each side by '4'.
-3.5 + -9.25x + x2 = 0

Move the constant term to the right:

Add '3.5' to each side of the equation.
-3.5 + -9.25x + 3.5 + x2 = 0 + 3.5

Reorder the terms:
-3.5 + 3.5 + -9.25x + x2 = 0 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + -9.25x + x2 = 0 + 3.5
-9.25x + x2 = 0 + 3.5

Combine like terms: 0 + 3.5 = 3.5
-9.25x + x2 = 3.5

The x term is -9.25x.  Take half its coefficient (-4.625).
Square it (21.390625) and add it to both sides.

Add '21.390625' to each side of the equation.
-9.25x + 21.390625 + x2 = 3.5 + 21.390625

Reorder the terms:
21.390625 + -9.25x + x2 = 3.5 + 21.390625

Combine like terms: 3.5 + 21.390625 = 24.890625
21.390625 + -9.25x + x2 = 24.890625

Factor a perfect square on the left side:
(x + -4.625)(x + -4.625) = 24.890625

Calculate the square root of the right side: 4.989050511

Break this problem into two subproblems by setting 
(x + -4.625) equal to 4.989050511 and -4.989050511.

Subproblem 1

x + -4.625 = 4.989050511 Simplifying x + -4.625 = 4.989050511 Reorder the terms: -4.625 + x = 4.989050511 Solving -4.625 + x = 4.989050511 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.625' to each side of the equation. -4.625 + 4.625 + x = 4.989050511 + 4.625 Combine like terms: -4.625 + 4.625 = 0.000 0.000 + x = 4.989050511 + 4.625 x = 4.989050511 + 4.625 Combine like terms: 4.989050511 + 4.625 = 9.614050511 x = 9.614050511 Simplifying x = 9.614050511

Subproblem 2

x + -4.625 = -4.989050511 Simplifying x + -4.625 = -4.989050511 Reorder the terms: -4.625 + x = -4.989050511 Solving -4.625 + x = -4.989050511 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.625' to each side of the equation. -4.625 + 4.625 + x = -4.989050511 + 4.625 Combine like terms: -4.625 + 4.625 = 0.000 0.000 + x = -4.989050511 + 4.625 x = -4.989050511 + 4.625 Combine like terms: -4.989050511 + 4.625 = -0.364050511 x = -0.364050511 Simplifying x = -0.364050511

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.614050511, -0.364050511}

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