3x^2+3x+2=24

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


Simplifying
3x2 + 3x + 2 = 24

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

Solving
2 + 3x + 3x2 = 24

Solving for variable 'x'.

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

Combine like terms: 2 + -24 = -22
-22 + 3x + 3x2 = 24 + -24

Combine like terms: 24 + -24 = 0
-22 + 3x + 3x2 = 0

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

Divide each side by '3'.
-7.333333333 + x + x2 = 0

Move the constant term to the right:

Add '7.333333333' to each side of the equation.
-7.333333333 + x + 7.333333333 + x2 = 0 + 7.333333333

Reorder the terms:
-7.333333333 + 7.333333333 + x + x2 = 0 + 7.333333333

Combine like terms: -7.333333333 + 7.333333333 = 0.000000000
0.000000000 + x + x2 = 0 + 7.333333333
x + x2 = 0 + 7.333333333

Combine like terms: 0 + 7.333333333 = 7.333333333
x + x2 = 7.333333333

The x term is x.  Take half its coefficient (0.5).
Square it (0.25) and add it to both sides.

Add '0.25' to each side of the equation.
 + 0.25 + x2 = 7.333333333 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 7.333333333 + 0.25

Combine like terms: 7.333333333 + 0.25 = 7.583333333
1.25 + x2 = 7.583333333

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 7.583333333

Calculate the square root of the right side: 2.753785274

Break this problem into two subproblems by setting 
(x + 0.5) equal to 2.753785274 and -2.753785274.

Subproblem 1

x + 0.5 = 2.753785274 Simplifying x + 0.5 = 2.753785274 Reorder the terms: 0.5 + x = 2.753785274 Solving 0.5 + x = 2.753785274 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = 2.753785274 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 2.753785274 + -0.5 x = 2.753785274 + -0.5 Combine like terms: 2.753785274 + -0.5 = 2.253785274 x = 2.253785274 Simplifying x = 2.253785274

Subproblem 2

x + 0.5 = -2.753785274 Simplifying x + 0.5 = -2.753785274 Reorder the terms: 0.5 + x = -2.753785274 Solving 0.5 + x = -2.753785274 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5' to each side of the equation. 0.5 + -0.5 + x = -2.753785274 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -2.753785274 + -0.5 x = -2.753785274 + -0.5 Combine like terms: -2.753785274 + -0.5 = -3.253785274 x = -3.253785274 Simplifying x = -3.253785274

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.253785274, -3.253785274}

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