3x^2+342x+10=0

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Solution for 3x^2+342x+10=0 equation:


Simplifying
3x2 + 342x + 10 = 0

Reorder the terms:
10 + 342x + 3x2 = 0

Solving
10 + 342x + 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'.
3.333333333 + 114x + x2 = 0

Move the constant term to the right:

Add '-3.333333333' to each side of the equation.
3.333333333 + 114x + -3.333333333 + x2 = 0 + -3.333333333

Reorder the terms:
3.333333333 + -3.333333333 + 114x + x2 = 0 + -3.333333333

Combine like terms: 3.333333333 + -3.333333333 = 0.000000000
0.000000000 + 114x + x2 = 0 + -3.333333333
114x + x2 = 0 + -3.333333333

Combine like terms: 0 + -3.333333333 = -3.333333333
114x + x2 = -3.333333333

The x term is 114x.  Take half its coefficient (57).
Square it (3249) and add it to both sides.

Add '3249' to each side of the equation.
114x + 3249 + x2 = -3.333333333 + 3249

Reorder the terms:
3249 + 114x + x2 = -3.333333333 + 3249

Combine like terms: -3.333333333 + 3249 = 3245.666666667
3249 + 114x + x2 = 3245.666666667

Factor a perfect square on the left side:
(x + 57)(x + 57) = 3245.666666667

Calculate the square root of the right side: 56.97075273

Break this problem into two subproblems by setting 
(x + 57) equal to 56.97075273 and -56.97075273.

Subproblem 1

x + 57 = 56.97075273 Simplifying x + 57 = 56.97075273 Reorder the terms: 57 + x = 56.97075273 Solving 57 + x = 56.97075273 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-57' to each side of the equation. 57 + -57 + x = 56.97075273 + -57 Combine like terms: 57 + -57 = 0 0 + x = 56.97075273 + -57 x = 56.97075273 + -57 Combine like terms: 56.97075273 + -57 = -0.02924727 x = -0.02924727 Simplifying x = -0.02924727

Subproblem 2

x + 57 = -56.97075273 Simplifying x + 57 = -56.97075273 Reorder the terms: 57 + x = -56.97075273 Solving 57 + x = -56.97075273 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-57' to each side of the equation. 57 + -57 + x = -56.97075273 + -57 Combine like terms: 57 + -57 = 0 0 + x = -56.97075273 + -57 x = -56.97075273 + -57 Combine like terms: -56.97075273 + -57 = -113.97075273 x = -113.97075273 Simplifying x = -113.97075273

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-0.02924727, -113.97075273}

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