5x^2=96x+36

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Solution for 5x^2=96x+36 equation:


Simplifying
5x2 = 96x + 36

Reorder the terms:
5x2 = 36 + 96x

Solving
5x2 = 36 + 96x

Solving for variable 'x'.

Reorder the terms:
-36 + -96x + 5x2 = 36 + 96x + -36 + -96x

Reorder the terms:
-36 + -96x + 5x2 = 36 + -36 + 96x + -96x

Combine like terms: 36 + -36 = 0
-36 + -96x + 5x2 = 0 + 96x + -96x
-36 + -96x + 5x2 = 96x + -96x

Combine like terms: 96x + -96x = 0
-36 + -96x + 5x2 = 0

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

Divide each side by '5'.
-7.2 + -19.2x + x2 = 0

Move the constant term to the right:

Add '7.2' to each side of the equation.
-7.2 + -19.2x + 7.2 + x2 = 0 + 7.2

Reorder the terms:
-7.2 + 7.2 + -19.2x + x2 = 0 + 7.2

Combine like terms: -7.2 + 7.2 = 0.0
0.0 + -19.2x + x2 = 0 + 7.2
-19.2x + x2 = 0 + 7.2

Combine like terms: 0 + 7.2 = 7.2
-19.2x + x2 = 7.2

The x term is -19.2x.  Take half its coefficient (-9.6).
Square it (92.16) and add it to both sides.

Add '92.16' to each side of the equation.
-19.2x + 92.16 + x2 = 7.2 + 92.16

Reorder the terms:
92.16 + -19.2x + x2 = 7.2 + 92.16

Combine like terms: 7.2 + 92.16 = 99.36
92.16 + -19.2x + x2 = 99.36

Factor a perfect square on the left side:
(x + -9.6)(x + -9.6) = 99.36

Calculate the square root of the right side: 9.967948636

Break this problem into two subproblems by setting 
(x + -9.6) equal to 9.967948636 and -9.967948636.

Subproblem 1

x + -9.6 = 9.967948636 Simplifying x + -9.6 = 9.967948636 Reorder the terms: -9.6 + x = 9.967948636 Solving -9.6 + x = 9.967948636 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.6' to each side of the equation. -9.6 + 9.6 + x = 9.967948636 + 9.6 Combine like terms: -9.6 + 9.6 = 0.0 0.0 + x = 9.967948636 + 9.6 x = 9.967948636 + 9.6 Combine like terms: 9.967948636 + 9.6 = 19.567948636 x = 19.567948636 Simplifying x = 19.567948636

Subproblem 2

x + -9.6 = -9.967948636 Simplifying x + -9.6 = -9.967948636 Reorder the terms: -9.6 + x = -9.967948636 Solving -9.6 + x = -9.967948636 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '9.6' to each side of the equation. -9.6 + 9.6 + x = -9.967948636 + 9.6 Combine like terms: -9.6 + 9.6 = 0.0 0.0 + x = -9.967948636 + 9.6 x = -9.967948636 + 9.6 Combine like terms: -9.967948636 + 9.6 = -0.367948636 x = -0.367948636 Simplifying x = -0.367948636

Solution

The solution to the problem is based on the solutions from the subproblems. x = {19.567948636, -0.367948636}

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