0.25x(x-6)0.05=6.30

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Solution for 0.25x(x-6)0.05=6.30 equation:


Simplifying
0.25x(x + -6) * 0.05 = 6.30

Reorder the terms:
0.25x(-6 + x) * 0.05 = 6.30

Reorder the terms for easier multiplication:
0.25 * 0.05x(-6 + x) = 6.30

Multiply 0.25 * 0.05
0.0125x(-6 + x) = 6.30
(-6 * 0.0125x + x * 0.0125x) = 6.30
(-0.075x + 0.0125x2) = 6.30

Solving
-0.075x + 0.0125x2 = 6.30

Solving for variable 'x'.

Reorder the terms:
-6.30 + -0.075x + 0.0125x2 = 6.30 + -6.30

Combine like terms: 6.30 + -6.30 = 0.00
-6.30 + -0.075x + 0.0125x2 = 0.00

Begin completing the square.  Divide all terms by
0.0125 the coefficient of the squared term: 

Divide each side by '0.0125'.
-504 + -6x + x2 = 0

Move the constant term to the right:

Add '504' to each side of the equation.
-504 + -6x + 504 + x2 = 0 + 504

Reorder the terms:
-504 + 504 + -6x + x2 = 0 + 504

Combine like terms: -504 + 504 = 0
0 + -6x + x2 = 0 + 504
-6x + x2 = 0 + 504

Combine like terms: 0 + 504 = 504
-6x + x2 = 504

The x term is -6x.  Take half its coefficient (-3).
Square it (9) and add it to both sides.

Add '9' to each side of the equation.
-6x + 9 + x2 = 504 + 9

Reorder the terms:
9 + -6x + x2 = 504 + 9

Combine like terms: 504 + 9 = 513
9 + -6x + x2 = 513

Factor a perfect square on the left side:
(x + -3)(x + -3) = 513

Calculate the square root of the right side: 22.649503306

Break this problem into two subproblems by setting 
(x + -3) equal to 22.649503306 and -22.649503306.

Subproblem 1

x + -3 = 22.649503306 Simplifying x + -3 = 22.649503306 Reorder the terms: -3 + x = 22.649503306 Solving -3 + x = 22.649503306 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = 22.649503306 + 3 Combine like terms: -3 + 3 = 0 0 + x = 22.649503306 + 3 x = 22.649503306 + 3 Combine like terms: 22.649503306 + 3 = 25.649503306 x = 25.649503306 Simplifying x = 25.649503306

Subproblem 2

x + -3 = -22.649503306 Simplifying x + -3 = -22.649503306 Reorder the terms: -3 + x = -22.649503306 Solving -3 + x = -22.649503306 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '3' to each side of the equation. -3 + 3 + x = -22.649503306 + 3 Combine like terms: -3 + 3 = 0 0 + x = -22.649503306 + 3 x = -22.649503306 + 3 Combine like terms: -22.649503306 + 3 = -19.649503306 x = -19.649503306 Simplifying x = -19.649503306

Solution

The solution to the problem is based on the solutions from the subproblems. x = {25.649503306, -19.649503306}

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