6x^2+47x+63=0

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Solution for 6x^2+47x+63=0 equation:


Simplifying
6x2 + 47x + 63 = 0

Reorder the terms:
63 + 47x + 6x2 = 0

Solving
63 + 47x + 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'.
10.5 + 7.833333333x + x2 = 0

Move the constant term to the right:

Add '-10.5' to each side of the equation.
10.5 + 7.833333333x + -10.5 + x2 = 0 + -10.5

Reorder the terms:
10.5 + -10.5 + 7.833333333x + x2 = 0 + -10.5

Combine like terms: 10.5 + -10.5 = 0.0
0.0 + 7.833333333x + x2 = 0 + -10.5
7.833333333x + x2 = 0 + -10.5

Combine like terms: 0 + -10.5 = -10.5
7.833333333x + x2 = -10.5

The x term is 7.833333333x.  Take half its coefficient (3.916666667).
Square it (15.34027778) and add it to both sides.

Add '15.34027778' to each side of the equation.
7.833333333x + 15.34027778 + x2 = -10.5 + 15.34027778

Reorder the terms:
15.34027778 + 7.833333333x + x2 = -10.5 + 15.34027778

Combine like terms: -10.5 + 15.34027778 = 4.84027778
15.34027778 + 7.833333333x + x2 = 4.84027778

Factor a perfect square on the left side:
(x + 3.916666667)(x + 3.916666667) = 4.84027778

Calculate the square root of the right side: 2.200063131

Break this problem into two subproblems by setting 
(x + 3.916666667) equal to 2.200063131 and -2.200063131.

Subproblem 1

x + 3.916666667 = 2.200063131 Simplifying x + 3.916666667 = 2.200063131 Reorder the terms: 3.916666667 + x = 2.200063131 Solving 3.916666667 + x = 2.200063131 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.916666667' to each side of the equation. 3.916666667 + -3.916666667 + x = 2.200063131 + -3.916666667 Combine like terms: 3.916666667 + -3.916666667 = 0.000000000 0.000000000 + x = 2.200063131 + -3.916666667 x = 2.200063131 + -3.916666667 Combine like terms: 2.200063131 + -3.916666667 = -1.716603536 x = -1.716603536 Simplifying x = -1.716603536

Subproblem 2

x + 3.916666667 = -2.200063131 Simplifying x + 3.916666667 = -2.200063131 Reorder the terms: 3.916666667 + x = -2.200063131 Solving 3.916666667 + x = -2.200063131 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-3.916666667' to each side of the equation. 3.916666667 + -3.916666667 + x = -2.200063131 + -3.916666667 Combine like terms: 3.916666667 + -3.916666667 = 0.000000000 0.000000000 + x = -2.200063131 + -3.916666667 x = -2.200063131 + -3.916666667 Combine like terms: -2.200063131 + -3.916666667 = -6.116729798 x = -6.116729798 Simplifying x = -6.116729798

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.716603536, -6.116729798}

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