12x^2-x-48=0

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Solution for 12x^2-x-48=0 equation:


Simplifying
12x2 + -1x + -48 = 0

Reorder the terms:
-48 + -1x + 12x2 = 0

Solving
-48 + -1x + 12x2 = 0

Solving for variable 'x'.

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

Divide each side by '12'.
-4 + -0.08333333333x + x2 = 0

Move the constant term to the right:

Add '4' to each side of the equation.
-4 + -0.08333333333x + 4 + x2 = 0 + 4

Reorder the terms:
-4 + 4 + -0.08333333333x + x2 = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -0.08333333333x + x2 = 0 + 4
-0.08333333333x + x2 = 0 + 4

Combine like terms: 0 + 4 = 4
-0.08333333333x + x2 = 4

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 = 4 + 0.001736111111

Reorder the terms:
0.001736111111 + -0.08333333333x + x2 = 4 + 0.001736111111

Combine like terms: 4 + 0.001736111111 = 4.001736111111
0.001736111111 + -0.08333333333x + x2 = 4.001736111111

Factor a perfect square on the left side:
(x + -0.04166666667)(x + -0.04166666667) = 4.001736111111

Calculate the square root of the right side: 2.000433981

Break this problem into two subproblems by setting 
(x + -0.04166666667) equal to 2.000433981 and -2.000433981.

Subproblem 1

x + -0.04166666667 = 2.000433981 Simplifying x + -0.04166666667 = 2.000433981 Reorder the terms: -0.04166666667 + x = 2.000433981 Solving -0.04166666667 + x = 2.000433981 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 = 2.000433981 + 0.04166666667 Combine like terms: -0.04166666667 + 0.04166666667 = 0.00000000000 0.00000000000 + x = 2.000433981 + 0.04166666667 x = 2.000433981 + 0.04166666667 Combine like terms: 2.000433981 + 0.04166666667 = 2.04210064767 x = 2.04210064767 Simplifying x = 2.04210064767

Subproblem 2

x + -0.04166666667 = -2.000433981 Simplifying x + -0.04166666667 = -2.000433981 Reorder the terms: -0.04166666667 + x = -2.000433981 Solving -0.04166666667 + x = -2.000433981 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 = -2.000433981 + 0.04166666667 Combine like terms: -0.04166666667 + 0.04166666667 = 0.00000000000 0.00000000000 + x = -2.000433981 + 0.04166666667 x = -2.000433981 + 0.04166666667 Combine like terms: -2.000433981 + 0.04166666667 = -1.95876731433 x = -1.95876731433 Simplifying x = -1.95876731433

Solution

The solution to the problem is based on the solutions from the subproblems. x = {2.04210064767, -1.95876731433}

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