16x^2+5x-24=124

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Solution for 16x^2+5x-24=124 equation:


Simplifying
16x2 + 5x + -24 = 124

Reorder the terms:
-24 + 5x + 16x2 = 124

Solving
-24 + 5x + 16x2 = 124

Solving for variable 'x'.

Reorder the terms:
-24 + -124 + 5x + 16x2 = 124 + -124

Combine like terms: -24 + -124 = -148
-148 + 5x + 16x2 = 124 + -124

Combine like terms: 124 + -124 = 0
-148 + 5x + 16x2 = 0

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

Divide each side by '16'.
-9.25 + 0.3125x + x2 = 0

Move the constant term to the right:

Add '9.25' to each side of the equation.
-9.25 + 0.3125x + 9.25 + x2 = 0 + 9.25

Reorder the terms:
-9.25 + 9.25 + 0.3125x + x2 = 0 + 9.25

Combine like terms: -9.25 + 9.25 = 0.00
0.00 + 0.3125x + x2 = 0 + 9.25
0.3125x + x2 = 0 + 9.25

Combine like terms: 0 + 9.25 = 9.25
0.3125x + x2 = 9.25

The x term is 0.3125x.  Take half its coefficient (0.15625).
Square it (0.0244140625) and add it to both sides.

Add '0.0244140625' to each side of the equation.
0.3125x + 0.0244140625 + x2 = 9.25 + 0.0244140625

Reorder the terms:
0.0244140625 + 0.3125x + x2 = 9.25 + 0.0244140625

Combine like terms: 9.25 + 0.0244140625 = 9.2744140625
0.0244140625 + 0.3125x + x2 = 9.2744140625

Factor a perfect square on the left side:
(x + 0.15625)(x + 0.15625) = 9.2744140625

Calculate the square root of the right side: 3.045392267

Break this problem into two subproblems by setting 
(x + 0.15625) equal to 3.045392267 and -3.045392267.

Subproblem 1

x + 0.15625 = 3.045392267 Simplifying x + 0.15625 = 3.045392267 Reorder the terms: 0.15625 + x = 3.045392267 Solving 0.15625 + x = 3.045392267 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.15625' to each side of the equation. 0.15625 + -0.15625 + x = 3.045392267 + -0.15625 Combine like terms: 0.15625 + -0.15625 = 0.00000 0.00000 + x = 3.045392267 + -0.15625 x = 3.045392267 + -0.15625 Combine like terms: 3.045392267 + -0.15625 = 2.889142267 x = 2.889142267 Simplifying x = 2.889142267

Subproblem 2

x + 0.15625 = -3.045392267 Simplifying x + 0.15625 = -3.045392267 Reorder the terms: 0.15625 + x = -3.045392267 Solving 0.15625 + x = -3.045392267 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.15625' to each side of the equation. 0.15625 + -0.15625 + x = -3.045392267 + -0.15625 Combine like terms: 0.15625 + -0.15625 = 0.00000 0.00000 + x = -3.045392267 + -0.15625 x = -3.045392267 + -0.15625 Combine like terms: -3.045392267 + -0.15625 = -3.201642267 x = -3.201642267 Simplifying x = -3.201642267

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.889142267, -3.201642267}

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