5x^2-36x+60=0

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Solution for 5x^2-36x+60=0 equation:


Simplifying
5x2 + -36x + 60 = 0

Reorder the terms:
60 + -36x + 5x2 = 0

Solving
60 + -36x + 5x2 = 0

Solving for variable 'x'.

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

Divide each side by '5'.
12 + -7.2x + x2 = 0

Move the constant term to the right:

Add '-12' to each side of the equation.
12 + -7.2x + -12 + x2 = 0 + -12

Reorder the terms:
12 + -12 + -7.2x + x2 = 0 + -12

Combine like terms: 12 + -12 = 0
0 + -7.2x + x2 = 0 + -12
-7.2x + x2 = 0 + -12

Combine like terms: 0 + -12 = -12
-7.2x + x2 = -12

The x term is -7.2x.  Take half its coefficient (-3.6).
Square it (12.96) and add it to both sides.

Add '12.96' to each side of the equation.
-7.2x + 12.96 + x2 = -12 + 12.96

Reorder the terms:
12.96 + -7.2x + x2 = -12 + 12.96

Combine like terms: -12 + 12.96 = 0.96
12.96 + -7.2x + x2 = 0.96

Factor a perfect square on the left side:
(x + -3.6)(x + -3.6) = 0.96

Calculate the square root of the right side: 0.979795897

Break this problem into two subproblems by setting 
(x + -3.6) equal to 0.979795897 and -0.979795897.

Subproblem 1

x + -3.6 = 0.979795897 Simplifying x + -3.6 = 0.979795897 Reorder the terms: -3.6 + x = 0.979795897 Solving -3.6 + x = 0.979795897 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.6' to each side of the equation. -3.6 + 3.6 + x = 0.979795897 + 3.6 Combine like terms: -3.6 + 3.6 = 0.0 0.0 + x = 0.979795897 + 3.6 x = 0.979795897 + 3.6 Combine like terms: 0.979795897 + 3.6 = 4.579795897 x = 4.579795897 Simplifying x = 4.579795897

Subproblem 2

x + -3.6 = -0.979795897 Simplifying x + -3.6 = -0.979795897 Reorder the terms: -3.6 + x = -0.979795897 Solving -3.6 + x = -0.979795897 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3.6' to each side of the equation. -3.6 + 3.6 + x = -0.979795897 + 3.6 Combine like terms: -3.6 + 3.6 = 0.0 0.0 + x = -0.979795897 + 3.6 x = -0.979795897 + 3.6 Combine like terms: -0.979795897 + 3.6 = 2.620204103 x = 2.620204103 Simplifying x = 2.620204103

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.579795897, 2.620204103}

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