3x^2+3x-34=0

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Solution for 3x^2+3x-34=0 equation:


Simplifying
3x2 + 3x + -34 = 0

Reorder the terms:
-34 + 3x + 3x2 = 0

Solving
-34 + 3x + 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'.
-11.33333333 + x + x2 = 0

Move the constant term to the right:

Add '11.33333333' to each side of the equation.
-11.33333333 + x + 11.33333333 + x2 = 0 + 11.33333333

Reorder the terms:
-11.33333333 + 11.33333333 + x + x2 = 0 + 11.33333333

Combine like terms: -11.33333333 + 11.33333333 = 0.00000000
0.00000000 + x + x2 = 0 + 11.33333333
x + x2 = 0 + 11.33333333

Combine like terms: 0 + 11.33333333 = 11.33333333
x + x2 = 11.33333333

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 = 11.33333333 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 11.33333333 + 0.25

Combine like terms: 11.33333333 + 0.25 = 11.58333333
1.25 + x2 = 11.58333333

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 11.58333333

Calculate the square root of the right side: 3.403429642

Break this problem into two subproblems by setting 
(x + 0.5) equal to 3.403429642 and -3.403429642.

Subproblem 1

x + 0.5 = 3.403429642 Simplifying x + 0.5 = 3.403429642 Reorder the terms: 0.5 + x = 3.403429642 Solving 0.5 + x = 3.403429642 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 = 3.403429642 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 3.403429642 + -0.5 x = 3.403429642 + -0.5 Combine like terms: 3.403429642 + -0.5 = 2.903429642 x = 2.903429642 Simplifying x = 2.903429642

Subproblem 2

x + 0.5 = -3.403429642 Simplifying x + 0.5 = -3.403429642 Reorder the terms: 0.5 + x = -3.403429642 Solving 0.5 + x = -3.403429642 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 = -3.403429642 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -3.403429642 + -0.5 x = -3.403429642 + -0.5 Combine like terms: -3.403429642 + -0.5 = -3.903429642 x = -3.903429642 Simplifying x = -3.903429642

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.903429642, -3.903429642}

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