6x^2-x=98

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Solution for 6x^2-x=98 equation:


Simplifying
6x2 + -1x = 98

Reorder the terms:
-1x + 6x2 = 98

Solving
-1x + 6x2 = 98

Solving for variable 'x'.

Reorder the terms:
-98 + -1x + 6x2 = 98 + -98

Combine like terms: 98 + -98 = 0
-98 + -1x + 6x2 = 0

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

Divide each side by '6'.
-16.33333333 + -0.1666666667x + x2 = 0

Move the constant term to the right:

Add '16.33333333' to each side of the equation.
-16.33333333 + -0.1666666667x + 16.33333333 + x2 = 0 + 16.33333333

Reorder the terms:
-16.33333333 + 16.33333333 + -0.1666666667x + x2 = 0 + 16.33333333

Combine like terms: -16.33333333 + 16.33333333 = 0.00000000
0.00000000 + -0.1666666667x + x2 = 0 + 16.33333333
-0.1666666667x + x2 = 0 + 16.33333333

Combine like terms: 0 + 16.33333333 = 16.33333333
-0.1666666667x + x2 = 16.33333333

The x term is -0.1666666667x.  Take half its coefficient (-0.08333333335).
Square it (0.006944444447) and add it to both sides.

Add '0.006944444447' to each side of the equation.
-0.1666666667x + 0.006944444447 + x2 = 16.33333333 + 0.006944444447

Reorder the terms:
0.006944444447 + -0.1666666667x + x2 = 16.33333333 + 0.006944444447

Combine like terms: 16.33333333 + 0.006944444447 = 16.340277774447
0.006944444447 + -0.1666666667x + x2 = 16.340277774447

Factor a perfect square on the left side:
(x + -0.08333333335)(x + -0.08333333335) = 16.340277774447

Calculate the square root of the right side: 4.042310945

Break this problem into two subproblems by setting 
(x + -0.08333333335) equal to 4.042310945 and -4.042310945.

Subproblem 1

x + -0.08333333335 = 4.042310945 Simplifying x + -0.08333333335 = 4.042310945 Reorder the terms: -0.08333333335 + x = 4.042310945 Solving -0.08333333335 + x = 4.042310945 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + x = 4.042310945 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + x = 4.042310945 + 0.08333333335 x = 4.042310945 + 0.08333333335 Combine like terms: 4.042310945 + 0.08333333335 = 4.12564427835 x = 4.12564427835 Simplifying x = 4.12564427835

Subproblem 2

x + -0.08333333335 = -4.042310945 Simplifying x + -0.08333333335 = -4.042310945 Reorder the terms: -0.08333333335 + x = -4.042310945 Solving -0.08333333335 + x = -4.042310945 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.08333333335' to each side of the equation. -0.08333333335 + 0.08333333335 + x = -4.042310945 + 0.08333333335 Combine like terms: -0.08333333335 + 0.08333333335 = 0.00000000000 0.00000000000 + x = -4.042310945 + 0.08333333335 x = -4.042310945 + 0.08333333335 Combine like terms: -4.042310945 + 0.08333333335 = -3.95897761165 x = -3.95897761165 Simplifying x = -3.95897761165

Solution

The solution to the problem is based on the solutions from the subproblems. x = {4.12564427835, -3.95897761165}

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