-6x^2+49x+47=0

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Solution for -6x^2+49x+47=0 equation:


Simplifying
-6x2 + 49x + 47 = 0

Reorder the terms:
47 + 49x + -6x2 = 0

Solving
47 + 49x + -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'.
-7.833333333 + -8.166666667x + x2 = 0

Move the constant term to the right:

Add '7.833333333' to each side of the equation.
-7.833333333 + -8.166666667x + 7.833333333 + x2 = 0 + 7.833333333

Reorder the terms:
-7.833333333 + 7.833333333 + -8.166666667x + x2 = 0 + 7.833333333

Combine like terms: -7.833333333 + 7.833333333 = 0.000000000
0.000000000 + -8.166666667x + x2 = 0 + 7.833333333
-8.166666667x + x2 = 0 + 7.833333333

Combine like terms: 0 + 7.833333333 = 7.833333333
-8.166666667x + x2 = 7.833333333

The x term is -8.166666667x.  Take half its coefficient (-4.083333334).
Square it (16.67361112) and add it to both sides.

Add '16.67361112' to each side of the equation.
-8.166666667x + 16.67361112 + x2 = 7.833333333 + 16.67361112

Reorder the terms:
16.67361112 + -8.166666667x + x2 = 7.833333333 + 16.67361112

Combine like terms: 7.833333333 + 16.67361112 = 24.506944453
16.67361112 + -8.166666667x + x2 = 24.506944453

Factor a perfect square on the left side:
(x + -4.083333334)(x + -4.083333334) = 24.506944453

Calculate the square root of the right side: 4.950448914

Break this problem into two subproblems by setting 
(x + -4.083333334) equal to 4.950448914 and -4.950448914.

Subproblem 1

x + -4.083333334 = 4.950448914 Simplifying x + -4.083333334 = 4.950448914 Reorder the terms: -4.083333334 + x = 4.950448914 Solving -4.083333334 + x = 4.950448914 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.083333334' to each side of the equation. -4.083333334 + 4.083333334 + x = 4.950448914 + 4.083333334 Combine like terms: -4.083333334 + 4.083333334 = 0.000000000 0.000000000 + x = 4.950448914 + 4.083333334 x = 4.950448914 + 4.083333334 Combine like terms: 4.950448914 + 4.083333334 = 9.033782248 x = 9.033782248 Simplifying x = 9.033782248

Subproblem 2

x + -4.083333334 = -4.950448914 Simplifying x + -4.083333334 = -4.950448914 Reorder the terms: -4.083333334 + x = -4.950448914 Solving -4.083333334 + x = -4.950448914 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '4.083333334' to each side of the equation. -4.083333334 + 4.083333334 + x = -4.950448914 + 4.083333334 Combine like terms: -4.083333334 + 4.083333334 = 0.000000000 0.000000000 + x = -4.950448914 + 4.083333334 x = -4.950448914 + 4.083333334 Combine like terms: -4.950448914 + 4.083333334 = -0.86711558 x = -0.86711558 Simplifying x = -0.86711558

Solution

The solution to the problem is based on the solutions from the subproblems. x = {9.033782248, -0.86711558}

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