3d^2-13d+12=

Solution for 3d^2-13d+12= equation:

Simplifying
3d2 + -13d + 12 = 0

Reorder the terms:
12 + -13d + 3d2 = 0

Solving
12 + -13d + 3d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(4 + -3d)(3 + -1d) = 0

Subproblem 1
Set the factor '(4 + -3d)' equal to zero and attempt to solve:

Simplifying
4 + -3d = 0

Solving
4 + -3d = 0

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

Add '-4' to each side of the equation.
4 + -4 + -3d = 0 + -4

Combine like terms: 4 + -4 = 0
0 + -3d = 0 + -4
-3d = 0 + -4

Combine like terms: 0 + -4 = -4
-3d = -4

Divide each side by '-3'.
d = 1.333333333

Simplifying
d = 1.333333333
Subproblem 2
Set the factor '(3 + -1d)' equal to zero and attempt to solve:

Simplifying
3 + -1d = 0

Solving
3 + -1d = 0

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

Add '-3' to each side of the equation.
3 + -3 + -1d = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -1d = 0 + -3
-1d = 0 + -3

Combine like terms: 0 + -3 = -3
-1d = -3

Divide each side by '-1'.
d = 3

Simplifying
d = 3
Solution
d = {1.333333333, 3}