3x^2-41x=110

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Solution for 3x^2-41x=110 equation:


Simplifying
3x2 + -41x = 110

Reorder the terms:
-41x + 3x2 = 110

Solving
-41x + 3x2 = 110

Solving for variable 'x'.

Reorder the terms:
-110 + -41x + 3x2 = 110 + -110

Combine like terms: 110 + -110 = 0
-110 + -41x + 3x2 = 0

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

Divide each side by '3'.
-36.66666667 + -13.66666667x + x2 = 0

Move the constant term to the right:

Add '36.66666667' to each side of the equation.
-36.66666667 + -13.66666667x + 36.66666667 + x2 = 0 + 36.66666667

Reorder the terms:
-36.66666667 + 36.66666667 + -13.66666667x + x2 = 0 + 36.66666667

Combine like terms: -36.66666667 + 36.66666667 = 0.00000000
0.00000000 + -13.66666667x + x2 = 0 + 36.66666667
-13.66666667x + x2 = 0 + 36.66666667

Combine like terms: 0 + 36.66666667 = 36.66666667
-13.66666667x + x2 = 36.66666667

The x term is -13.66666667x.  Take half its coefficient (-6.833333335).
Square it (46.69444447) and add it to both sides.

Add '46.69444447' to each side of the equation.
-13.66666667x + 46.69444447 + x2 = 36.66666667 + 46.69444447

Reorder the terms:
46.69444447 + -13.66666667x + x2 = 36.66666667 + 46.69444447

Combine like terms: 36.66666667 + 46.69444447 = 83.36111114
46.69444447 + -13.66666667x + x2 = 83.36111114

Factor a perfect square on the left side:
(x + -6.833333335)(x + -6.833333335) = 83.36111114

Calculate the square root of the right side: 9.130230618

Break this problem into two subproblems by setting 
(x + -6.833333335) equal to 9.130230618 and -9.130230618.

Subproblem 1

x + -6.833333335 = 9.130230618 Simplifying x + -6.833333335 = 9.130230618 Reorder the terms: -6.833333335 + x = 9.130230618 Solving -6.833333335 + x = 9.130230618 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.833333335' to each side of the equation. -6.833333335 + 6.833333335 + x = 9.130230618 + 6.833333335 Combine like terms: -6.833333335 + 6.833333335 = 0.000000000 0.000000000 + x = 9.130230618 + 6.833333335 x = 9.130230618 + 6.833333335 Combine like terms: 9.130230618 + 6.833333335 = 15.963563953 x = 15.963563953 Simplifying x = 15.963563953

Subproblem 2

x + -6.833333335 = -9.130230618 Simplifying x + -6.833333335 = -9.130230618 Reorder the terms: -6.833333335 + x = -9.130230618 Solving -6.833333335 + x = -9.130230618 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '6.833333335' to each side of the equation. -6.833333335 + 6.833333335 + x = -9.130230618 + 6.833333335 Combine like terms: -6.833333335 + 6.833333335 = 0.000000000 0.000000000 + x = -9.130230618 + 6.833333335 x = -9.130230618 + 6.833333335 Combine like terms: -9.130230618 + 6.833333335 = -2.296897283 x = -2.296897283 Simplifying x = -2.296897283

Solution

The solution to the problem is based on the solutions from the subproblems. x = {15.963563953, -2.296897283}

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