3x^2-41x=-10

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Solution for 3x^2-41x=-10 equation:


Simplifying
3x2 + -41x = -10

Reorder the terms:
-41x + 3x2 = -10

Solving
-41x + 3x2 = -10

Solving for variable 'x'.

Reorder the terms:
10 + -41x + 3x2 = -10 + 10

Combine like terms: -10 + 10 = 0
10 + -41x + 3x2 = 0

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

Divide each side by '3'.
3.333333333 + -13.66666667x + x2 = 0

Move the constant term to the right:

Add '-3.333333333' to each side of the equation.
3.333333333 + -13.66666667x + -3.333333333 + x2 = 0 + -3.333333333

Reorder the terms:
3.333333333 + -3.333333333 + -13.66666667x + x2 = 0 + -3.333333333

Combine like terms: 3.333333333 + -3.333333333 = 0.000000000
0.000000000 + -13.66666667x + x2 = 0 + -3.333333333
-13.66666667x + x2 = 0 + -3.333333333

Combine like terms: 0 + -3.333333333 = -3.333333333
-13.66666667x + x2 = -3.333333333

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 = -3.333333333 + 46.69444447

Reorder the terms:
46.69444447 + -13.66666667x + x2 = -3.333333333 + 46.69444447

Combine like terms: -3.333333333 + 46.69444447 = 43.361111137
46.69444447 + -13.66666667x + x2 = 43.361111137

Factor a perfect square on the left side:
(x + -6.833333335)(x + -6.833333335) = 43.361111137

Calculate the square root of the right side: 6.584915424

Break this problem into two subproblems by setting 
(x + -6.833333335) equal to 6.584915424 and -6.584915424.

Subproblem 1

x + -6.833333335 = 6.584915424 Simplifying x + -6.833333335 = 6.584915424 Reorder the terms: -6.833333335 + x = 6.584915424 Solving -6.833333335 + x = 6.584915424 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 = 6.584915424 + 6.833333335 Combine like terms: -6.833333335 + 6.833333335 = 0.000000000 0.000000000 + x = 6.584915424 + 6.833333335 x = 6.584915424 + 6.833333335 Combine like terms: 6.584915424 + 6.833333335 = 13.418248759 x = 13.418248759 Simplifying x = 13.418248759

Subproblem 2

x + -6.833333335 = -6.584915424 Simplifying x + -6.833333335 = -6.584915424 Reorder the terms: -6.833333335 + x = -6.584915424 Solving -6.833333335 + x = -6.584915424 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 = -6.584915424 + 6.833333335 Combine like terms: -6.833333335 + 6.833333335 = 0.000000000 0.000000000 + x = -6.584915424 + 6.833333335 x = -6.584915424 + 6.833333335 Combine like terms: -6.584915424 + 6.833333335 = 0.248417911 x = 0.248417911 Simplifying x = 0.248417911

Solution

The solution to the problem is based on the solutions from the subproblems. x = {13.418248759, 0.248417911}

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