0.6x^2=2.4x+0.6

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Solution for 0.6x^2=2.4x+0.6 equation:


Simplifying
0.6x2 = 2.4x + 0.6

Reorder the terms:
0.6x2 = 0.6 + 2.4x

Solving
0.6x2 = 0.6 + 2.4x

Solving for variable 'x'.

Reorder the terms:
-0.6 + -2.4x + 0.6x2 = 0.6 + 2.4x + -0.6 + -2.4x

Reorder the terms:
-0.6 + -2.4x + 0.6x2 = 0.6 + -0.6 + 2.4x + -2.4x

Combine like terms: 0.6 + -0.6 = 0.0
-0.6 + -2.4x + 0.6x2 = 0.0 + 2.4x + -2.4x
-0.6 + -2.4x + 0.6x2 = 2.4x + -2.4x

Combine like terms: 2.4x + -2.4x = 0.0
-0.6 + -2.4x + 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'.
-1 + -4x + x2 = 0

Move the constant term to the right:

Add '1' to each side of the equation.
-1 + -4x + 1 + x2 = 0 + 1

Reorder the terms:
-1 + 1 + -4x + x2 = 0 + 1

Combine like terms: -1 + 1 = 0
0 + -4x + x2 = 0 + 1
-4x + x2 = 0 + 1

Combine like terms: 0 + 1 = 1
-4x + x2 = 1

The x term is -4x.  Take half its coefficient (-2).
Square it (4) and add it to both sides.

Add '4' to each side of the equation.
-4x + 4 + x2 = 1 + 4

Reorder the terms:
4 + -4x + x2 = 1 + 4

Combine like terms: 1 + 4 = 5
4 + -4x + x2 = 5

Factor a perfect square on the left side:
(x + -2)(x + -2) = 5

Calculate the square root of the right side: 2.236067978

Break this problem into two subproblems by setting 
(x + -2) equal to 2.236067978 and -2.236067978.

Subproblem 1

x + -2 = 2.236067978 Simplifying x + -2 = 2.236067978 Reorder the terms: -2 + x = 2.236067978 Solving -2 + x = 2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = 2.236067978 + 2 Combine like terms: -2 + 2 = 0 0 + x = 2.236067978 + 2 x = 2.236067978 + 2 Combine like terms: 2.236067978 + 2 = 4.236067978 x = 4.236067978 Simplifying x = 4.236067978

Subproblem 2

x + -2 = -2.236067978 Simplifying x + -2 = -2.236067978 Reorder the terms: -2 + x = -2.236067978 Solving -2 + x = -2.236067978 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2' to each side of the equation. -2 + 2 + x = -2.236067978 + 2 Combine like terms: -2 + 2 = 0 0 + x = -2.236067978 + 2 x = -2.236067978 + 2 Combine like terms: -2.236067978 + 2 = -0.236067978 x = -0.236067978 Simplifying x = -0.236067978

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.236067978, -0.236067978}

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