3x^2-x+24=180

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Solution for 3x^2-x+24=180 equation:


Simplifying
3x2 + -1x + 24 = 180

Reorder the terms:
24 + -1x + 3x2 = 180

Solving
24 + -1x + 3x2 = 180

Solving for variable 'x'.

Reorder the terms:
24 + -180 + -1x + 3x2 = 180 + -180

Combine like terms: 24 + -180 = -156
-156 + -1x + 3x2 = 180 + -180

Combine like terms: 180 + -180 = 0
-156 + -1x + 3x2 = 0

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

Divide each side by '3'.
-52 + -0.3333333333x + x2 = 0

Move the constant term to the right:

Add '52' to each side of the equation.
-52 + -0.3333333333x + 52 + x2 = 0 + 52

Reorder the terms:
-52 + 52 + -0.3333333333x + x2 = 0 + 52

Combine like terms: -52 + 52 = 0
0 + -0.3333333333x + x2 = 0 + 52
-0.3333333333x + x2 = 0 + 52

Combine like terms: 0 + 52 = 52
-0.3333333333x + x2 = 52

The x term is -0.3333333333x.  Take half its coefficient (-0.1666666667).
Square it (0.02777777779) and add it to both sides.

Add '0.02777777779' to each side of the equation.
-0.3333333333x + 0.02777777779 + x2 = 52 + 0.02777777779

Reorder the terms:
0.02777777779 + -0.3333333333x + x2 = 52 + 0.02777777779

Combine like terms: 52 + 0.02777777779 = 52.02777777779
0.02777777779 + -0.3333333333x + x2 = 52.02777777779

Factor a perfect square on the left side:
(x + -0.1666666667)(x + -0.1666666667) = 52.02777777779

Calculate the square root of the right side: 7.213028336

Break this problem into two subproblems by setting 
(x + -0.1666666667) equal to 7.213028336 and -7.213028336.

Subproblem 1

x + -0.1666666667 = 7.213028336 Simplifying x + -0.1666666667 = 7.213028336 Reorder the terms: -0.1666666667 + x = 7.213028336 Solving -0.1666666667 + x = 7.213028336 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = 7.213028336 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = 7.213028336 + 0.1666666667 x = 7.213028336 + 0.1666666667 Combine like terms: 7.213028336 + 0.1666666667 = 7.3796950027 x = 7.3796950027 Simplifying x = 7.3796950027

Subproblem 2

x + -0.1666666667 = -7.213028336 Simplifying x + -0.1666666667 = -7.213028336 Reorder the terms: -0.1666666667 + x = -7.213028336 Solving -0.1666666667 + x = -7.213028336 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.1666666667' to each side of the equation. -0.1666666667 + 0.1666666667 + x = -7.213028336 + 0.1666666667 Combine like terms: -0.1666666667 + 0.1666666667 = 0.0000000000 0.0000000000 + x = -7.213028336 + 0.1666666667 x = -7.213028336 + 0.1666666667 Combine like terms: -7.213028336 + 0.1666666667 = -7.0463616693 x = -7.0463616693 Simplifying x = -7.0463616693

Solution

The solution to the problem is based on the solutions from the subproblems. x = {7.3796950027, -7.0463616693}

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