6x^2+7x-313=0

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Solution for 6x^2+7x-313=0 equation:


Simplifying
6x2 + 7x + -313 = 0

Reorder the terms:
-313 + 7x + 6x2 = 0

Solving
-313 + 7x + 6x2 = 0

Solving for variable 'x'.

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

Divide each side by '6'.
-52.16666667 + 1.166666667x + x2 = 0

Move the constant term to the right:

Add '52.16666667' to each side of the equation.
-52.16666667 + 1.166666667x + 52.16666667 + x2 = 0 + 52.16666667

Reorder the terms:
-52.16666667 + 52.16666667 + 1.166666667x + x2 = 0 + 52.16666667

Combine like terms: -52.16666667 + 52.16666667 = 0.00000000
0.00000000 + 1.166666667x + x2 = 0 + 52.16666667
1.166666667x + x2 = 0 + 52.16666667

Combine like terms: 0 + 52.16666667 = 52.16666667
1.166666667x + x2 = 52.16666667

The x term is 1.166666667x.  Take half its coefficient (0.5833333335).
Square it (0.3402777780) and add it to both sides.

Add '0.3402777780' to each side of the equation.
1.166666667x + 0.3402777780 + x2 = 52.16666667 + 0.3402777780

Reorder the terms:
0.3402777780 + 1.166666667x + x2 = 52.16666667 + 0.3402777780

Combine like terms: 52.16666667 + 0.3402777780 = 52.506944448
0.3402777780 + 1.166666667x + x2 = 52.506944448

Factor a perfect square on the left side:
(x + 0.5833333335)(x + 0.5833333335) = 52.506944448

Calculate the square root of the right side: 7.24616757

Break this problem into two subproblems by setting 
(x + 0.5833333335) equal to 7.24616757 and -7.24616757.

Subproblem 1

x + 0.5833333335 = 7.24616757 Simplifying x + 0.5833333335 = 7.24616757 Reorder the terms: 0.5833333335 + x = 7.24616757 Solving 0.5833333335 + x = 7.24616757 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5833333335' to each side of the equation. 0.5833333335 + -0.5833333335 + x = 7.24616757 + -0.5833333335 Combine like terms: 0.5833333335 + -0.5833333335 = 0.0000000000 0.0000000000 + x = 7.24616757 + -0.5833333335 x = 7.24616757 + -0.5833333335 Combine like terms: 7.24616757 + -0.5833333335 = 6.6628342365 x = 6.6628342365 Simplifying x = 6.6628342365

Subproblem 2

x + 0.5833333335 = -7.24616757 Simplifying x + 0.5833333335 = -7.24616757 Reorder the terms: 0.5833333335 + x = -7.24616757 Solving 0.5833333335 + x = -7.24616757 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-0.5833333335' to each side of the equation. 0.5833333335 + -0.5833333335 + x = -7.24616757 + -0.5833333335 Combine like terms: 0.5833333335 + -0.5833333335 = 0.0000000000 0.0000000000 + x = -7.24616757 + -0.5833333335 x = -7.24616757 + -0.5833333335 Combine like terms: -7.24616757 + -0.5833333335 = -7.8295009035 x = -7.8295009035 Simplifying x = -7.8295009035

Solution

The solution to the problem is based on the solutions from the subproblems. x = {6.6628342365, -7.8295009035}

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