4.9x^2-24x+19=0

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Solution for 4.9x^2-24x+19=0 equation:


Simplifying
4.9x2 + -24x + 19 = 0

Reorder the terms:
19 + -24x + 4.9x2 = 0

Solving
19 + -24x + 4.9x2 = 0

Solving for variable 'x'.

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

Divide each side by '4.9'.
3.87755102 + -4.897959184x + x2 = 0

Move the constant term to the right:

Add '-3.87755102' to each side of the equation.
3.87755102 + -4.897959184x + -3.87755102 + x2 = 0 + -3.87755102

Reorder the terms:
3.87755102 + -3.87755102 + -4.897959184x + x2 = 0 + -3.87755102

Combine like terms: 3.87755102 + -3.87755102 = 0.00000000
0.00000000 + -4.897959184x + x2 = 0 + -3.87755102
-4.897959184x + x2 = 0 + -3.87755102

Combine like terms: 0 + -3.87755102 = -3.87755102
-4.897959184x + x2 = -3.87755102

The x term is -4.897959184x.  Take half its coefficient (-2.448979592).
Square it (5.997501042) and add it to both sides.

Add '5.997501042' to each side of the equation.
-4.897959184x + 5.997501042 + x2 = -3.87755102 + 5.997501042

Reorder the terms:
5.997501042 + -4.897959184x + x2 = -3.87755102 + 5.997501042

Combine like terms: -3.87755102 + 5.997501042 = 2.119950022
5.997501042 + -4.897959184x + x2 = 2.119950022

Factor a perfect square on the left side:
(x + -2.448979592)(x + -2.448979592) = 2.119950022

Calculate the square root of the right side: 1.456004815

Break this problem into two subproblems by setting 
(x + -2.448979592) equal to 1.456004815 and -1.456004815.

Subproblem 1

x + -2.448979592 = 1.456004815 Simplifying x + -2.448979592 = 1.456004815 Reorder the terms: -2.448979592 + x = 1.456004815 Solving -2.448979592 + x = 1.456004815 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.448979592' to each side of the equation. -2.448979592 + 2.448979592 + x = 1.456004815 + 2.448979592 Combine like terms: -2.448979592 + 2.448979592 = 0.000000000 0.000000000 + x = 1.456004815 + 2.448979592 x = 1.456004815 + 2.448979592 Combine like terms: 1.456004815 + 2.448979592 = 3.904984407 x = 3.904984407 Simplifying x = 3.904984407

Subproblem 2

x + -2.448979592 = -1.456004815 Simplifying x + -2.448979592 = -1.456004815 Reorder the terms: -2.448979592 + x = -1.456004815 Solving -2.448979592 + x = -1.456004815 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '2.448979592' to each side of the equation. -2.448979592 + 2.448979592 + x = -1.456004815 + 2.448979592 Combine like terms: -2.448979592 + 2.448979592 = 0.000000000 0.000000000 + x = -1.456004815 + 2.448979592 x = -1.456004815 + 2.448979592 Combine like terms: -1.456004815 + 2.448979592 = 0.992974777 x = 0.992974777 Simplifying x = 0.992974777

Solution

The solution to the problem is based on the solutions from the subproblems. x = {3.904984407, 0.992974777}

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