8d*d+53d+30=0

Solution for 8d*d+53d+30=0 equation:

Simplifying
8d * d + 53d + 30 = 0

Multiply d * d
8d2 + 53d + 30 = 0

Reorder the terms:
30 + 53d + 8d2 = 0

Solving
30 + 53d + 8d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(6 + d)(5 + 8d) = 0

Subproblem 1
Set the factor '(6 + d)' equal to zero and attempt to solve:

Simplifying
6 + d = 0

Solving
6 + d = 0

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

Add '-6' to each side of the equation.
6 + -6 + d = 0 + -6

Combine like terms: 6 + -6 = 0
0 + d = 0 + -6
d = 0 + -6

Combine like terms: 0 + -6 = -6
d = -6

Simplifying
d = -6
Subproblem 2
Set the factor '(5 + 8d)' equal to zero and attempt to solve:

Simplifying
5 + 8d = 0

Solving
5 + 8d = 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 + 8d = 0 + -5

Combine like terms: 5 + -5 = 0
0 + 8d = 0 + -5
8d = 0 + -5

Combine like terms: 0 + -5 = -5
8d = -5

Divide each side by '8'.
d = -0.625

Simplifying
d = -0.625
Solution
d = {-6, -0.625}