6x^2-.5x-210=0

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Solution for 6x^2-.5x-210=0 equation:


Simplifying
6x2 + -0.5x + -210 = 0

Reorder the terms:
-210 + -0.5x + 6x2 = 0

Solving
-210 + -0.5x + 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'.
-35 + -0.08333333333x + x2 = 0

Move the constant term to the right:

Add '35' to each side of the equation.
-35 + -0.08333333333x + 35 + x2 = 0 + 35

Reorder the terms:
-35 + 35 + -0.08333333333x + x2 = 0 + 35

Combine like terms: -35 + 35 = 0
0 + -0.08333333333x + x2 = 0 + 35
-0.08333333333x + x2 = 0 + 35

Combine like terms: 0 + 35 = 35
-0.08333333333x + x2 = 35

The x term is -0.08333333333x.  Take half its coefficient (-0.04166666667).
Square it (0.001736111111) and add it to both sides.

Add '0.001736111111' to each side of the equation.
-0.08333333333x + 0.001736111111 + x2 = 35 + 0.001736111111

Reorder the terms:
0.001736111111 + -0.08333333333x + x2 = 35 + 0.001736111111

Combine like terms: 35 + 0.001736111111 = 35.001736111111
0.001736111111 + -0.08333333333x + x2 = 35.001736111111

Factor a perfect square on the left side:
(x + -0.04166666667)(x + -0.04166666667) = 35.001736111111

Calculate the square root of the right side: 5.916226509

Break this problem into two subproblems by setting 
(x + -0.04166666667) equal to 5.916226509 and -5.916226509.

Subproblem 1

x + -0.04166666667 = 5.916226509 Simplifying x + -0.04166666667 = 5.916226509 Reorder the terms: -0.04166666667 + x = 5.916226509 Solving -0.04166666667 + x = 5.916226509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.04166666667' to each side of the equation. -0.04166666667 + 0.04166666667 + x = 5.916226509 + 0.04166666667 Combine like terms: -0.04166666667 + 0.04166666667 = 0.00000000000 0.00000000000 + x = 5.916226509 + 0.04166666667 x = 5.916226509 + 0.04166666667 Combine like terms: 5.916226509 + 0.04166666667 = 5.95789317567 x = 5.95789317567 Simplifying x = 5.95789317567

Subproblem 2

x + -0.04166666667 = -5.916226509 Simplifying x + -0.04166666667 = -5.916226509 Reorder the terms: -0.04166666667 + x = -5.916226509 Solving -0.04166666667 + x = -5.916226509 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '0.04166666667' to each side of the equation. -0.04166666667 + 0.04166666667 + x = -5.916226509 + 0.04166666667 Combine like terms: -0.04166666667 + 0.04166666667 = 0.00000000000 0.00000000000 + x = -5.916226509 + 0.04166666667 x = -5.916226509 + 0.04166666667 Combine like terms: -5.916226509 + 0.04166666667 = -5.87455984233 x = -5.87455984233 Simplifying x = -5.87455984233

Solution

The solution to the problem is based on the solutions from the subproblems. x = {5.95789317567, -5.87455984233}

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