-48x^2+16x+240=0

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Solution for -48x^2+16x+240=0 equation: 


Simplifying
-48x2 + 16x + 240 = 0

Reorder the terms:
240 + 16x + -48x2 = 0

Solving
240 + 16x + -48x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '16'.
16(15 + x + -3x2) = 0

Ignore the factor 16.

Subproblem 1
Set the factor '(15 + x + -3x2)' equal to zero and attempt to solve:

Simplifying
15 + x + -3x2 = 0

Solving
15 + x + -3x2 = 0

Begin completing the square.  Divide all terms by
-3 the coefficient of the squared term: 

Divide each side by '-3'.
-5 + -0.3333333333x + x2 = 0

Move the constant term to the right:

Add '5' to each side of the equation.
-5 + -0.3333333333x + 5 + x2 = 0 + 5

Reorder the terms:
-5 + 5 + -0.3333333333x + x2 = 0 + 5

Combine like terms: -5 + 5 = 0
0 + -0.3333333333x + x2 = 0 + 5
-0.3333333333x + x2 = 0 + 5

Combine like terms: 0 + 5 = 5
-0.3333333333x + x2 = 5

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
-0.3333333333x + 0.25 + x2 = 5 + 0.25

Reorder the terms:
0.25 + -0.3333333333x + x2 = 5 + 0.25

Combine like terms: 5 + 0.25 = 5.25
0.25 + -0.3333333333x + x2 = 5.25

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 5.25

Calculate the square root of the right side: 2.291287847

Break this problem into two subproblems by setting 
(x + 0.5) equal to 2.291287847 and -2.291287847.


Subproblem 1
x + 0.5 = 2.291287847

Simplifying
x + 0.5 = 2.291287847

Reorder the terms:
0.5 + x = 2.291287847

Solving
0.5 + x = 2.291287847

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.5' to each side of the equation.
0.5 + -0.5 + x = 2.291287847 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + x = 2.291287847 + -0.5
x = 2.291287847 + -0.5

Combine like terms: 2.291287847 + -0.5 = 1.791287847
x = 1.791287847

Simplifying
x = 1.791287847


Subproblem 2
x + 0.5 = -2.291287847

Simplifying
x + 0.5 = -2.291287847

Reorder the terms:
0.5 + x = -2.291287847

Solving
0.5 + x = -2.291287847

Solving for variable 'x'.

Move all terms containing x to the left, all other terms to the right.

Add '-0.5' to each side of the equation.
0.5 + -0.5 + x = -2.291287847 + -0.5

Combine like terms: 0.5 + -0.5 = 0.0
0.0 + x = -2.291287847 + -0.5
x = -2.291287847 + -0.5

Combine like terms: -2.291287847 + -0.5 = -2.791287847
x = -2.791287847

Simplifying
x = -2.791287847


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {1.791287847, -2.791287847}
Solution
x = {1.791287847, -2.791287847}

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