-3x^2+24x-2=0

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Solution for -3x^2+24x-2=0 equation:


Simplifying
-3x2 + 24x + -2 = 0

Reorder the terms:
-2 + 24x + -3x2 = 0

Solving
-2 + 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'.
0.6666666667 + -8x + x2 = 0

Move the constant term to the right:

Add '-0.6666666667' to each side of the equation.
0.6666666667 + -8x + -0.6666666667 + x2 = 0 + -0.6666666667

Reorder the terms:
0.6666666667 + -0.6666666667 + -8x + x2 = 0 + -0.6666666667

Combine like terms: 0.6666666667 + -0.6666666667 = 0.0000000000
0.0000000000 + -8x + x2 = 0 + -0.6666666667
-8x + x2 = 0 + -0.6666666667

Combine like terms: 0 + -0.6666666667 = -0.6666666667
-8x + x2 = -0.6666666667

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 = -0.6666666667 + 16

Reorder the terms:
16 + -8x + x2 = -0.6666666667 + 16

Combine like terms: -0.6666666667 + 16 = 15.3333333333
16 + -8x + x2 = 15.3333333333

Factor a perfect square on the left side:
(x + -4)(x + -4) = 15.3333333333

Calculate the square root of the right side: 3.915780041

Break this problem into two subproblems by setting 
(x + -4) equal to 3.915780041 and -3.915780041.

Subproblem 1

x + -4 = 3.915780041 Simplifying x + -4 = 3.915780041 Reorder the terms: -4 + x = 3.915780041 Solving -4 + x = 3.915780041 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 = 3.915780041 + 4 Combine like terms: -4 + 4 = 0 0 + x = 3.915780041 + 4 x = 3.915780041 + 4 Combine like terms: 3.915780041 + 4 = 7.915780041 x = 7.915780041 Simplifying x = 7.915780041

Subproblem 2

x + -4 = -3.915780041 Simplifying x + -4 = -3.915780041 Reorder the terms: -4 + x = -3.915780041 Solving -4 + x = -3.915780041 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 = -3.915780041 + 4 Combine like terms: -4 + 4 = 0 0 + x = -3.915780041 + 4 x = -3.915780041 + 4 Combine like terms: -3.915780041 + 4 = 0.084219959 x = 0.084219959 Simplifying x = 0.084219959

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.915780041, 0.084219959}

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