0.6x^2=3.6x+.06

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Solution for 0.6x^2=3.6x+.06 equation:


Simplifying
0.6x2 = 3.6x + 0.06

Reorder the terms:
0.6x2 = 0.06 + 3.6x

Solving
0.6x2 = 0.06 + 3.6x

Solving for variable 'x'.

Reorder the terms:
-0.06 + -3.6x + 0.6x2 = 0.06 + 3.6x + -0.06 + -3.6x

Reorder the terms:
-0.06 + -3.6x + 0.6x2 = 0.06 + -0.06 + 3.6x + -3.6x

Combine like terms: 0.06 + -0.06 = 0.00
-0.06 + -3.6x + 0.6x2 = 0.00 + 3.6x + -3.6x
-0.06 + -3.6x + 0.6x2 = 3.6x + -3.6x

Combine like terms: 3.6x + -3.6x = 0.0
-0.06 + -3.6x + 0.6x2 = 0.0

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

Divide each side by '0.6'.
-0.1 + -6x + x2 = 0

Move the constant term to the right:

Add '0.1' to each side of the equation.
-0.1 + -6x + 0.1 + x2 = 0 + 0.1

Reorder the terms:
-0.1 + 0.1 + -6x + x2 = 0 + 0.1

Combine like terms: -0.1 + 0.1 = 0.0
0.0 + -6x + x2 = 0 + 0.1
-6x + x2 = 0 + 0.1

Combine like terms: 0 + 0.1 = 0.1
-6x + x2 = 0.1

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 = 0.1 + 9

Reorder the terms:
9 + -6x + x2 = 0.1 + 9

Combine like terms: 0.1 + 9 = 9.1
9 + -6x + x2 = 9.1

Factor a perfect square on the left side:
(x + -3)(x + -3) = 9.1

Calculate the square root of the right side: 3.016620626

Break this problem into two subproblems by setting 
(x + -3) equal to 3.016620626 and -3.016620626.

Subproblem 1

x + -3 = 3.016620626 Simplifying x + -3 = 3.016620626 Reorder the terms: -3 + x = 3.016620626 Solving -3 + x = 3.016620626 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 = 3.016620626 + 3 Combine like terms: -3 + 3 = 0 0 + x = 3.016620626 + 3 x = 3.016620626 + 3 Combine like terms: 3.016620626 + 3 = 6.016620626 x = 6.016620626 Simplifying x = 6.016620626

Subproblem 2

x + -3 = -3.016620626 Simplifying x + -3 = -3.016620626 Reorder the terms: -3 + x = -3.016620626 Solving -3 + x = -3.016620626 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 = -3.016620626 + 3 Combine like terms: -3 + 3 = 0 0 + x = -3.016620626 + 3 x = -3.016620626 + 3 Combine like terms: -3.016620626 + 3 = -0.016620626 x = -0.016620626 Simplifying x = -0.016620626

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.016620626, -0.016620626}

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