3*X^2-24*X+5=0

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Solution for 3*X^2-24*X+5=0 equation:


Simplifying
3X2 + -24X + 5 = 0

Reorder the terms:
5 + -24X + 3X2 = 0

Solving
5 + -24X + 3X2 = 0

Solving for variable 'X'.

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

Divide each side by '3'.
1.666666667 + -8X + X2 = 0

Move the constant term to the right:

Add '-1.666666667' to each side of the equation.
1.666666667 + -8X + -1.666666667 + X2 = 0 + -1.666666667

Reorder the terms:
1.666666667 + -1.666666667 + -8X + X2 = 0 + -1.666666667

Combine like terms: 1.666666667 + -1.666666667 = 0.000000000
0.000000000 + -8X + X2 = 0 + -1.666666667
-8X + X2 = 0 + -1.666666667

Combine like terms: 0 + -1.666666667 = -1.666666667
-8X + X2 = -1.666666667

The X term is -8X.  Take half its coefficient (-4).
Square it (16) and add it to both sides.

Add '16' to each side of the equation.
-8X + 16 + X2 = -1.666666667 + 16

Reorder the terms:
16 + -8X + X2 = -1.666666667 + 16

Combine like terms: -1.666666667 + 16 = 14.333333333
16 + -8X + X2 = 14.333333333

Factor a perfect square on the left side:
(X + -4)(X + -4) = 14.333333333

Calculate the square root of the right side: 3.785938897

Break this problem into two subproblems by setting 
(X + -4) equal to 3.785938897 and -3.785938897.

Subproblem 1

X + -4 = 3.785938897 Simplifying X + -4 = 3.785938897 Reorder the terms: -4 + X = 3.785938897 Solving -4 + X = 3.785938897 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + X = 3.785938897 + 4 Combine like terms: -4 + 4 = 0 0 + X = 3.785938897 + 4 X = 3.785938897 + 4 Combine like terms: 3.785938897 + 4 = 7.785938897 X = 7.785938897 Simplifying X = 7.785938897

Subproblem 2

X + -4 = -3.785938897 Simplifying X + -4 = -3.785938897 Reorder the terms: -4 + X = -3.785938897 Solving -4 + X = -3.785938897 Solving for variable 'X'. Move all terms containing X to the left, all other terms to the right. Add '4' to each side of the equation. -4 + 4 + X = -3.785938897 + 4 Combine like terms: -4 + 4 = 0 0 + X = -3.785938897 + 4 X = -3.785938897 + 4 Combine like terms: -3.785938897 + 4 = 0.214061103 X = 0.214061103 Simplifying X = 0.214061103

Solution

The solution to the problem is based on the solutions from the subproblems. X = {7.785938897, 0.214061103}

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