2d^2+5d-12=0

Solution for 2d^2+5d-12=0 equation:

Simplifying
2d2 + 5d + -12 = 0

Reorder the terms:
-12 + 5d + 2d2 = 0

Solving
-12 + 5d + 2d2 = 0

Solving for variable 'd'.

Factor a trinomial.
(-4 + -1d)(3 + -2d) = 0

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

Simplifying
-4 + -1d = 0

Solving
-4 + -1d = 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 + -1d = 0 + 4

Combine like terms: -4 + 4 = 0
0 + -1d = 0 + 4
-1d = 0 + 4

Combine like terms: 0 + 4 = 4
-1d = 4

Divide each side by '-1'.
d = -4

Simplifying
d = -4
Subproblem 2
Set the factor '(3 + -2d)' equal to zero and attempt to solve:

Simplifying
3 + -2d = 0

Solving
3 + -2d = 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 + -2d = 0 + -3

Combine like terms: 3 + -3 = 0
0 + -2d = 0 + -3
-2d = 0 + -3

Combine like terms: 0 + -3 = -3
-2d = -3

Divide each side by '-2'.
d = 1.5

Simplifying
d = 1.5
Solution
d = {-4, 1.5}