1.2x-.125x^2+32=0

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Solution for 1.2x-.125x^2+32=0 equation:


Simplifying
1.2x + -0.125x2 + 32 = 0

Reorder the terms:
32 + 1.2x + -0.125x2 = 0

Solving
32 + 1.2x + -0.125x2 = 0

Solving for variable 'x'.

Begin completing the square.  Divide all terms by
-0.125 the coefficient of the squared term: 

Divide each side by '-0.125'.
-256 + -9.6x + x2 = 0

Move the constant term to the right:

Add '256' to each side of the equation.
-256 + -9.6x + 256 + x2 = 0 + 256

Reorder the terms:
-256 + 256 + -9.6x + x2 = 0 + 256

Combine like terms: -256 + 256 = 0
0 + -9.6x + x2 = 0 + 256
-9.6x + x2 = 0 + 256

Combine like terms: 0 + 256 = 256
-9.6x + x2 = 256

The x term is -9.6x.  Take half its coefficient (-4.8).
Square it (23.04) and add it to both sides.

Add '23.04' to each side of the equation.
-9.6x + 23.04 + x2 = 256 + 23.04

Reorder the terms:
23.04 + -9.6x + x2 = 256 + 23.04

Combine like terms: 256 + 23.04 = 279.04
23.04 + -9.6x + x2 = 279.04

Factor a perfect square on the left side:
(x + -4.8)(x + -4.8) = 279.04

Calculate the square root of the right side: 16.704490414

Break this problem into two subproblems by setting 
(x + -4.8) equal to 16.704490414 and -16.704490414.

Subproblem 1

x + -4.8 = 16.704490414 Simplifying x + -4.8 = 16.704490414 Reorder the terms: -4.8 + x = 16.704490414 Solving -4.8 + x = 16.704490414 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.8' to each side of the equation. -4.8 + 4.8 + x = 16.704490414 + 4.8 Combine like terms: -4.8 + 4.8 = 0.0 0.0 + x = 16.704490414 + 4.8 x = 16.704490414 + 4.8 Combine like terms: 16.704490414 + 4.8 = 21.504490414 x = 21.504490414 Simplifying x = 21.504490414

Subproblem 2

x + -4.8 = -16.704490414 Simplifying x + -4.8 = -16.704490414 Reorder the terms: -4.8 + x = -16.704490414 Solving -4.8 + x = -16.704490414 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.8' to each side of the equation. -4.8 + 4.8 + x = -16.704490414 + 4.8 Combine like terms: -4.8 + 4.8 = 0.0 0.0 + x = -16.704490414 + 4.8 x = -16.704490414 + 4.8 Combine like terms: -16.704490414 + 4.8 = -11.904490414 x = -11.904490414 Simplifying x = -11.904490414

Solution

The solution to the problem is based on the solutions from the subproblems. x = {21.504490414, -11.904490414}

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