4x^2+32x-93=0

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Solution for 4x^2+32x-93=0 equation:


Simplifying
4x2 + 32x + -93 = 0

Reorder the terms:
-93 + 32x + 4x2 = 0

Solving
-93 + 32x + 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'.
-23.25 + 8x + x2 = 0

Move the constant term to the right:

Add '23.25' to each side of the equation.
-23.25 + 8x + 23.25 + x2 = 0 + 23.25

Reorder the terms:
-23.25 + 23.25 + 8x + x2 = 0 + 23.25

Combine like terms: -23.25 + 23.25 = 0.00
0.00 + 8x + x2 = 0 + 23.25
8x + x2 = 0 + 23.25

Combine like terms: 0 + 23.25 = 23.25
8x + x2 = 23.25

The x term is 8x.  Take half its coefficient (4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
8x + 16 + x2 = 23.25 + 16

Reorder the terms:
16 + 8x + x2 = 23.25 + 16

Combine like terms: 23.25 + 16 = 39.25
16 + 8x + x2 = 39.25

Factor a perfect square on the left side:
(x + 4)(x + 4) = 39.25

Calculate the square root of the right side: 6.264982043

Break this problem into two subproblems by setting 
(x + 4) equal to 6.264982043 and -6.264982043.

Subproblem 1

x + 4 = 6.264982043 Simplifying x + 4 = 6.264982043 Reorder the terms: 4 + x = 6.264982043 Solving 4 + x = 6.264982043 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = 6.264982043 + -4 Combine like terms: 4 + -4 = 0 0 + x = 6.264982043 + -4 x = 6.264982043 + -4 Combine like terms: 6.264982043 + -4 = 2.264982043 x = 2.264982043 Simplifying x = 2.264982043

Subproblem 2

x + 4 = -6.264982043 Simplifying x + 4 = -6.264982043 Reorder the terms: 4 + x = -6.264982043 Solving 4 + x = -6.264982043 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-4' to each side of the equation. 4 + -4 + x = -6.264982043 + -4 Combine like terms: 4 + -4 = 0 0 + x = -6.264982043 + -4 x = -6.264982043 + -4 Combine like terms: -6.264982043 + -4 = -10.264982043 x = -10.264982043 Simplifying x = -10.264982043

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.264982043, -10.264982043}

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