6x^2+22x=-17

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Solution for 6x^2+22x=-17 equation:


Simplifying
6x2 + 22x = -17

Reorder the terms:
22x + 6x2 = -17

Solving
22x + 6x2 = -17

Solving for variable 'x'.

Reorder the terms:
17 + 22x + 6x2 = -17 + 17

Combine like terms: -17 + 17 = 0
17 + 22x + 6x2 = 0

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

Divide each side by '6'.
2.833333333 + 3.666666667x + x2 = 0

Move the constant term to the right:

Add '-2.833333333' to each side of the equation.
2.833333333 + 3.666666667x + -2.833333333 + x2 = 0 + -2.833333333

Reorder the terms:
2.833333333 + -2.833333333 + 3.666666667x + x2 = 0 + -2.833333333

Combine like terms: 2.833333333 + -2.833333333 = 0.000000000
0.000000000 + 3.666666667x + x2 = 0 + -2.833333333
3.666666667x + x2 = 0 + -2.833333333

Combine like terms: 0 + -2.833333333 = -2.833333333
3.666666667x + x2 = -2.833333333

The x term is 3.666666667x.  Take half its coefficient (1.833333334).
Square it (3.361111114) and add it to both sides.

Add '3.361111114' to each side of the equation.
3.666666667x + 3.361111114 + x2 = -2.833333333 + 3.361111114

Reorder the terms:
3.361111114 + 3.666666667x + x2 = -2.833333333 + 3.361111114

Combine like terms: -2.833333333 + 3.361111114 = 0.527777781
3.361111114 + 3.666666667x + x2 = 0.527777781

Factor a perfect square on the left side:
(x + 1.833333334)(x + 1.833333334) = 0.527777781

Calculate the square root of the right side: 0.726483159

Break this problem into two subproblems by setting 
(x + 1.833333334) equal to 0.726483159 and -0.726483159.

Subproblem 1

x + 1.833333334 = 0.726483159 Simplifying x + 1.833333334 = 0.726483159 Reorder the terms: 1.833333334 + x = 0.726483159 Solving 1.833333334 + x = 0.726483159 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.833333334' to each side of the equation. 1.833333334 + -1.833333334 + x = 0.726483159 + -1.833333334 Combine like terms: 1.833333334 + -1.833333334 = 0.000000000 0.000000000 + x = 0.726483159 + -1.833333334 x = 0.726483159 + -1.833333334 Combine like terms: 0.726483159 + -1.833333334 = -1.106850175 x = -1.106850175 Simplifying x = -1.106850175

Subproblem 2

x + 1.833333334 = -0.726483159 Simplifying x + 1.833333334 = -0.726483159 Reorder the terms: 1.833333334 + x = -0.726483159 Solving 1.833333334 + x = -0.726483159 Solving for variable 'x'. Move all terms containing x to the left, all other terms to the right. Add '-1.833333334' to each side of the equation. 1.833333334 + -1.833333334 + x = -0.726483159 + -1.833333334 Combine like terms: 1.833333334 + -1.833333334 = 0.000000000 0.000000000 + x = -0.726483159 + -1.833333334 x = -0.726483159 + -1.833333334 Combine like terms: -0.726483159 + -1.833333334 = -2.559816493 x = -2.559816493 Simplifying x = -2.559816493

Solution

The solution to the problem is based on the solutions from the subproblems. x = {-1.106850175, -2.559816493}

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