3x^2+3x-754=0

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Solution for 3x^2+3x-754=0 equation:


Simplifying
3x2 + 3x + -754 = 0

Reorder the terms:
-754 + 3x + 3x2 = 0

Solving
-754 + 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'.
-251.3333333 + x + x2 = 0

Move the constant term to the right:

Add '251.3333333' to each side of the equation.
-251.3333333 + x + 251.3333333 + x2 = 0 + 251.3333333

Reorder the terms:
-251.3333333 + 251.3333333 + x + x2 = 0 + 251.3333333

Combine like terms: -251.3333333 + 251.3333333 = 0.0000000
0.0000000 + x + x2 = 0 + 251.3333333
x + x2 = 0 + 251.3333333

Combine like terms: 0 + 251.3333333 = 251.3333333
x + x2 = 251.3333333

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 = 251.3333333 + 0.25

Combine like terms:  + 0.25 = 1.25
1.25 + x2 = 251.3333333 + 0.25

Combine like terms: 251.3333333 + 0.25 = 251.5833333
1.25 + x2 = 251.5833333

Factor a perfect square on the left side:
(x + 0.5)(x + 0.5) = 251.5833333

Calculate the square root of the right side: 15.86137867

Break this problem into two subproblems by setting 
(x + 0.5) equal to 15.86137867 and -15.86137867.

Subproblem 1

x + 0.5 = 15.86137867 Simplifying x + 0.5 = 15.86137867 Reorder the terms: 0.5 + x = 15.86137867 Solving 0.5 + x = 15.86137867 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 = 15.86137867 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = 15.86137867 + -0.5 x = 15.86137867 + -0.5 Combine like terms: 15.86137867 + -0.5 = 15.36137867 x = 15.36137867 Simplifying x = 15.36137867

Subproblem 2

x + 0.5 = -15.86137867 Simplifying x + 0.5 = -15.86137867 Reorder the terms: 0.5 + x = -15.86137867 Solving 0.5 + x = -15.86137867 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 = -15.86137867 + -0.5 Combine like terms: 0.5 + -0.5 = 0.0 0.0 + x = -15.86137867 + -0.5 x = -15.86137867 + -0.5 Combine like terms: -15.86137867 + -0.5 = -16.36137867 x = -16.36137867 Simplifying x = -16.36137867

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.36137867, -16.36137867}

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