0.24x^2-2.4x+4=0

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Solution for 0.24x^2-2.4x+4=0 equation:


Simplifying
0.24x2 + -2.4x + 4 = 0

Reorder the terms:
4 + -2.4x + 0.24x2 = 0

Solving
4 + -2.4x + 0.24x2 = 0

Solving for variable 'x'.

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

Divide each side by '0.24'.
16.66666667 + -10x + x2 = 0

Move the constant term to the right:

Add '-16.66666667' to each side of the equation.
16.66666667 + -10x + -16.66666667 + x2 = 0 + -16.66666667

Reorder the terms:
16.66666667 + -16.66666667 + -10x + x2 = 0 + -16.66666667

Combine like terms: 16.66666667 + -16.66666667 = 0.00000000
0.00000000 + -10x + x2 = 0 + -16.66666667
-10x + x2 = 0 + -16.66666667

Combine like terms: 0 + -16.66666667 = -16.66666667
-10x + x2 = -16.66666667

The x term is -10x.  Take half its coefficient (-5).
Square it (25) and add it to both sides.

Add '25' to each side of the equation.
-10x + 25 + x2 = -16.66666667 + 25

Reorder the terms:
25 + -10x + x2 = -16.66666667 + 25

Combine like terms: -16.66666667 + 25 = 8.33333333
25 + -10x + x2 = 8.33333333

Factor a perfect square on the left side:
(x + -5)(x + -5) = 8.33333333

Calculate the square root of the right side: 2.886751345

Break this problem into two subproblems by setting 
(x + -5) equal to 2.886751345 and -2.886751345.

Subproblem 1

x + -5 = 2.886751345 Simplifying x + -5 = 2.886751345 Reorder the terms: -5 + x = 2.886751345 Solving -5 + x = 2.886751345 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = 2.886751345 + 5 Combine like terms: -5 + 5 = 0 0 + x = 2.886751345 + 5 x = 2.886751345 + 5 Combine like terms: 2.886751345 + 5 = 7.886751345 x = 7.886751345 Simplifying x = 7.886751345

Subproblem 2

x + -5 = -2.886751345 Simplifying x + -5 = -2.886751345 Reorder the terms: -5 + x = -2.886751345 Solving -5 + x = -2.886751345 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '5' to each side of the equation. -5 + 5 + x = -2.886751345 + 5 Combine like terms: -5 + 5 = 0 0 + x = -2.886751345 + 5 x = -2.886751345 + 5 Combine like terms: -2.886751345 + 5 = 2.113248655 x = 2.113248655 Simplifying x = 2.113248655

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.886751345, 2.113248655}

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