3h^2+17h=-16

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Solution for 3h^2+17h=-16 equation:


Simplifying
3h2 + 17h = -16

Reorder the terms:
17h + 3h2 = -16

Solving
17h + 3h2 = -16

Solving for variable 'h'.

Reorder the terms:
16 + 17h + 3h2 = -16 + 16

Combine like terms: -16 + 16 = 0
16 + 17h + 3h2 = 0

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

Divide each side by '3'.
5.333333333 + 5.666666667h + h2 = 0

Move the constant term to the right:

Add '-5.333333333' to each side of the equation.
5.333333333 + 5.666666667h + -5.333333333 + h2 = 0 + -5.333333333

Reorder the terms:
5.333333333 + -5.333333333 + 5.666666667h + h2 = 0 + -5.333333333

Combine like terms: 5.333333333 + -5.333333333 = 0.000000000
0.000000000 + 5.666666667h + h2 = 0 + -5.333333333
5.666666667h + h2 = 0 + -5.333333333

Combine like terms: 0 + -5.333333333 = -5.333333333
5.666666667h + h2 = -5.333333333

The h term is 5.666666667h.  Take half its coefficient (2.833333334).
Square it (8.027777782) and add it to both sides.

Add '8.027777782' to each side of the equation.
5.666666667h + 8.027777782 + h2 = -5.333333333 + 8.027777782

Reorder the terms:
8.027777782 + 5.666666667h + h2 = -5.333333333 + 8.027777782

Combine like terms: -5.333333333 + 8.027777782 = 2.694444449
8.027777782 + 5.666666667h + h2 = 2.694444449

Factor a perfect square on the left side:
(h + 2.833333334)(h + 2.833333334) = 2.694444449

Calculate the square root of the right side: 1.641476302

Break this problem into two subproblems by setting 
(h + 2.833333334) equal to 1.641476302 and -1.641476302.

Subproblem 1

h + 2.833333334 = 1.641476302 Simplifying h + 2.833333334 = 1.641476302 Reorder the terms: 2.833333334 + h = 1.641476302 Solving 2.833333334 + h = 1.641476302 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-2.833333334' to each side of the equation. 2.833333334 + -2.833333334 + h = 1.641476302 + -2.833333334 Combine like terms: 2.833333334 + -2.833333334 = 0.000000000 0.000000000 + h = 1.641476302 + -2.833333334 h = 1.641476302 + -2.833333334 Combine like terms: 1.641476302 + -2.833333334 = -1.191857032 h = -1.191857032 Simplifying h = -1.191857032

Subproblem 2

h + 2.833333334 = -1.641476302 Simplifying h + 2.833333334 = -1.641476302 Reorder the terms: 2.833333334 + h = -1.641476302 Solving 2.833333334 + h = -1.641476302 Solving for variable 'h'. Move all terms containing h to the left, all other terms to the right. Add '-2.833333334' to each side of the equation. 2.833333334 + -2.833333334 + h = -1.641476302 + -2.833333334 Combine like terms: 2.833333334 + -2.833333334 = 0.000000000 0.000000000 + h = -1.641476302 + -2.833333334 h = -1.641476302 + -2.833333334 Combine like terms: -1.641476302 + -2.833333334 = -4.474809636 h = -4.474809636 Simplifying h = -4.474809636

Solution

The solution to the problem is based on the solutions from the subproblems. h = {-1.191857032, -4.474809636}

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