D^2+6D+8=3

Solution for D^2+6D+8=3 equation:

Simplifying
D2 + 6D + 8 = 3

Reorder the terms:
8 + 6D + D2 = 3

Solving
8 + 6D + D2 = 3

Solving for variable 'D'.

Reorder the terms:
8 + -3 + 6D + D2 = 3 + -3

Combine like terms: 8 + -3 = 5
5 + 6D + D2 = 3 + -3

Combine like terms: 3 + -3 = 0
5 + 6D + D2 = 0

Factor a trinomial.
(5 + D)(1 + D) = 0

Subproblem 1
Set the factor '(5 + D)' equal to zero and attempt to solve:

Simplifying
5 + D = 0

Solving
5 + D = 0

Move all terms containing D to the left, all other terms to the right.

Add '-5' to each side of the equation.
5 + -5 + D = 0 + -5

Combine like terms: 5 + -5 = 0
0 + D = 0 + -5
D = 0 + -5

Combine like terms: 0 + -5 = -5
D = -5

Simplifying
D = -5
Subproblem 2
Set the factor '(1 + D)' equal to zero and attempt to solve:

Simplifying
1 + D = 0

Solving
1 + D = 0

Move all terms containing D to the left, all other terms to the right.

Add '-1' to each side of the equation.
1 + -1 + D = 0 + -1

Combine like terms: 1 + -1 = 0
0 + D = 0 + -1
D = 0 + -1

Combine like terms: 0 + -1 = -1
D = -1

Simplifying
D = -1
Solution
D = {-5, -1}