16x^2-112x-160=0

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Solution for 16x^2-112x-160=0 equation: 


Simplifying
16x2 + -112x + -160 = 0

Reorder the terms:
-160 + -112x + 16x2 = 0

Solving
-160 + -112x + 16x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '16'.
16(-10 + -7x + x2) = 0

Ignore the factor 16.

Subproblem 1
Set the factor '(-10 + -7x + x2)' equal to zero and attempt to solve:

Simplifying
-10 + -7x + x2 = 0

Solving
-10 + -7x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '10' to each side of the equation.
-10 + -7x + 10 + x2 = 0 + 10

Reorder the terms:
-10 + 10 + -7x + x2 = 0 + 10

Combine like terms: -10 + 10 = 0
0 + -7x + x2 = 0 + 10
-7x + x2 = 0 + 10

Combine like terms: 0 + 10 = 10
-7x + x2 = 10

The x term is -7x.  Take half its coefficient (-3.5).
Square it (12.25) and add it to both sides.

Add '12.25' to each side of the equation.
-7x + 12.25 + x2 = 10 + 12.25

Reorder the terms:
12.25 + -7x + x2 = 10 + 12.25

Combine like terms: 10 + 12.25 = 22.25
12.25 + -7x + x2 = 22.25

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 22.25

Calculate the square root of the right side: 4.716990566

Break this problem into two subproblems by setting 
(x + -3.5) equal to 4.716990566 and -4.716990566.


Subproblem 1
x + -3.5 = 4.716990566

Simplifying
x + -3.5 = 4.716990566

Reorder the terms:
-3.5 + x = 4.716990566

Solving
-3.5 + x = 4.716990566

Solving for variable 'x'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + x = 4.716990566 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + x = 4.716990566 + 3.5
x = 4.716990566 + 3.5

Combine like terms: 4.716990566 + 3.5 = 8.216990566
x = 8.216990566

Simplifying
x = 8.216990566


Subproblem 2
x + -3.5 = -4.716990566

Simplifying
x + -3.5 = -4.716990566

Reorder the terms:
-3.5 + x = -4.716990566

Solving
-3.5 + x = -4.716990566

Solving for variable 'x'.

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

Add '3.5' to each side of the equation.
-3.5 + 3.5 + x = -4.716990566 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + x = -4.716990566 + 3.5
x = -4.716990566 + 3.5

Combine like terms: -4.716990566 + 3.5 = -1.216990566
x = -1.216990566

Simplifying
x = -1.216990566


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {8.216990566, -1.216990566}
Solution
x = {8.216990566, -1.216990566}

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