5x^2-35x-60=0

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Solution for 5x^2-35x-60=0 equation: 


Simplifying
5x2 + -35x + -60 = 0

Reorder the terms:
-60 + -35x + 5x2 = 0

Solving
-60 + -35x + 5x2 = 0

Solving for variable 'x'.

Factor out the Greatest Common Factor (GCF), '5'.
5(-12 + -7x + x2) = 0

Ignore the factor 5.

Subproblem 1
Set the factor '(-12 + -7x + x2)' equal to zero and attempt to solve:

Simplifying
-12 + -7x + x2 = 0

Solving
-12 + -7x + x2 = 0

Begin completing the square.

Move the constant term to the right:

Add '12' to each side of the equation.
-12 + -7x + 12 + x2 = 0 + 12

Reorder the terms:
-12 + 12 + -7x + x2 = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -7x + x2 = 0 + 12
-7x + x2 = 0 + 12

Combine like terms: 0 + 12 = 12
-7x + x2 = 12

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 = 12 + 12.25

Reorder the terms:
12.25 + -7x + x2 = 12 + 12.25

Combine like terms: 12 + 12.25 = 24.25
12.25 + -7x + x2 = 24.25

Factor a perfect square on the left side:
(x + -3.5)(x + -3.5) = 24.25

Calculate the square root of the right side: 4.924428901

Break this problem into two subproblems by setting 
(x + -3.5) equal to 4.924428901 and -4.924428901.


Subproblem 1
x + -3.5 = 4.924428901

Simplifying
x + -3.5 = 4.924428901

Reorder the terms:
-3.5 + x = 4.924428901

Solving
-3.5 + x = 4.924428901

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 = 4.924428901 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + x = 4.924428901 + 3.5
x = 4.924428901 + 3.5

Combine like terms: 4.924428901 + 3.5 = 8.424428901
x = 8.424428901

Simplifying
x = 8.424428901


Subproblem 2
x + -3.5 = -4.924428901

Simplifying
x + -3.5 = -4.924428901

Reorder the terms:
-3.5 + x = -4.924428901

Solving
-3.5 + x = -4.924428901

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 = -4.924428901 + 3.5

Combine like terms: -3.5 + 3.5 = 0.0
0.0 + x = -4.924428901 + 3.5
x = -4.924428901 + 3.5

Combine like terms: -4.924428901 + 3.5 = -1.424428901
x = -1.424428901

Simplifying
x = -1.424428901


Solution
The solution to the problem is based on the solutions
from the subproblems.
x = {8.424428901, -1.424428901}
Solution
x = {8.424428901, -1.424428901}

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