4x^2+39x-24=0

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Solution for 4x^2+39x-24=0 equation:


Simplifying
4x2 + 39x + -24 = 0

Reorder the terms:
-24 + 39x + 4x2 = 0

Solving
-24 + 39x + 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'.
-6 + 9.75x + x2 = 0

Move the constant term to the right:

Add '6' to each side of the equation.
-6 + 9.75x + 6 + x2 = 0 + 6

Reorder the terms:
-6 + 6 + 9.75x + x2 = 0 + 6

Combine like terms: -6 + 6 = 0
0 + 9.75x + x2 = 0 + 6
9.75x + x2 = 0 + 6

Combine like terms: 0 + 6 = 6
9.75x + x2 = 6

The x term is 9.75x.  Take half its coefficient (4.875).
Square it (23.765625) and add it to both sides.

Add '23.765625' to each side of the equation.
9.75x + 23.765625 + x2 = 6 + 23.765625

Reorder the terms:
23.765625 + 9.75x + x2 = 6 + 23.765625

Combine like terms: 6 + 23.765625 = 29.765625
23.765625 + 9.75x + x2 = 29.765625

Factor a perfect square on the left side:
(x + 4.875)(x + 4.875) = 29.765625

Calculate the square root of the right side: 5.455788211

Break this problem into two subproblems by setting 
(x + 4.875) equal to 5.455788211 and -5.455788211.

Subproblem 1

x + 4.875 = 5.455788211 Simplifying x + 4.875 = 5.455788211 Reorder the terms: 4.875 + x = 5.455788211 Solving 4.875 + x = 5.455788211 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.875' to each side of the equation. 4.875 + -4.875 + x = 5.455788211 + -4.875 Combine like terms: 4.875 + -4.875 = 0.000 0.000 + x = 5.455788211 + -4.875 x = 5.455788211 + -4.875 Combine like terms: 5.455788211 + -4.875 = 0.580788211 x = 0.580788211 Simplifying x = 0.580788211

Subproblem 2

x + 4.875 = -5.455788211 Simplifying x + 4.875 = -5.455788211 Reorder the terms: 4.875 + x = -5.455788211 Solving 4.875 + x = -5.455788211 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4.875' to each side of the equation. 4.875 + -4.875 + x = -5.455788211 + -4.875 Combine like terms: 4.875 + -4.875 = 0.000 0.000 + x = -5.455788211 + -4.875 x = -5.455788211 + -4.875 Combine like terms: -5.455788211 + -4.875 = -10.330788211 x = -10.330788211 Simplifying x = -10.330788211

Solution

The solution to the problem is based on the solutions from the subproblems. x = {0.580788211, -10.330788211}

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