3x^2+72x=17084

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Solution for 3x^2+72x=17084 equation:


Simplifying
3x2 + 72x = 17084

Reorder the terms:
72x + 3x2 = 17084

Solving
72x + 3x2 = 17084

Solving for variable 'x'.

Reorder the terms:
-17084 + 72x + 3x2 = 17084 + -17084

Combine like terms: 17084 + -17084 = 0
-17084 + 72x + 3x2 = 0

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

Divide each side by '3'.
-5694.666667 + 24x + x2 = 0

Move the constant term to the right:

Add '5694.666667' to each side of the equation.
-5694.666667 + 24x + 5694.666667 + x2 = 0 + 5694.666667

Reorder the terms:
-5694.666667 + 5694.666667 + 24x + x2 = 0 + 5694.666667

Combine like terms: -5694.666667 + 5694.666667 = 0.000000
0.000000 + 24x + x2 = 0 + 5694.666667
24x + x2 = 0 + 5694.666667

Combine like terms: 0 + 5694.666667 = 5694.666667
24x + x2 = 5694.666667

The x term is 24x.  Take half its coefficient (12).
Square it (144) and add it to both sides.

Add '144' to each side of the equation.
24x + 144 + x2 = 5694.666667 + 144

Reorder the terms:
144 + 24x + x2 = 5694.666667 + 144

Combine like terms: 5694.666667 + 144 = 5838.666667
144 + 24x + x2 = 5838.666667

Factor a perfect square on the left side:
(x + 12)(x + 12) = 5838.666667

Calculate the square root of the right side: 76.41116847

Break this problem into two subproblems by setting 
(x + 12) equal to 76.41116847 and -76.41116847.

Subproblem 1

x + 12 = 76.41116847 Simplifying x + 12 = 76.41116847 Reorder the terms: 12 + x = 76.41116847 Solving 12 + x = 76.41116847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = 76.41116847 + -12 Combine like terms: 12 + -12 = 0 0 + x = 76.41116847 + -12 x = 76.41116847 + -12 Combine like terms: 76.41116847 + -12 = 64.41116847 x = 64.41116847 Simplifying x = 64.41116847

Subproblem 2

x + 12 = -76.41116847 Simplifying x + 12 = -76.41116847 Reorder the terms: 12 + x = -76.41116847 Solving 12 + x = -76.41116847 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-12' to each side of the equation. 12 + -12 + x = -76.41116847 + -12 Combine like terms: 12 + -12 = 0 0 + x = -76.41116847 + -12 x = -76.41116847 + -12 Combine like terms: -76.41116847 + -12 = -88.41116847 x = -88.41116847 Simplifying x = -88.41116847

Solution

The solution to the problem is based on the solutions from the subproblems. x = {64.41116847, -88.41116847}

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