7n^2+20n+12=0

Solution for 7n^2+20n+12=0 equation:

Simplifying
7n2 + 20n + 12 = 0

Reorder the terms:
12 + 20n + 7n2 = 0

Solving
12 + 20n + 7n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(2 + n)(6 + 7n) = 0

Subproblem 1
Set the factor '(2 + n)' equal to zero and attempt to solve:

Simplifying
2 + n = 0

Solving
2 + n = 0

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

Add '-2' to each side of the equation.
2 + -2 + n = 0 + -2

Combine like terms: 2 + -2 = 0
0 + n = 0 + -2
n = 0 + -2

Combine like terms: 0 + -2 = -2
n = -2

Simplifying
n = -2
Subproblem 2
Set the factor '(6 + 7n)' equal to zero and attempt to solve:

Simplifying
6 + 7n = 0

Solving
6 + 7n = 0

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

Add '-6' to each side of the equation.
6 + -6 + 7n = 0 + -6

Combine like terms: 6 + -6 = 0
0 + 7n = 0 + -6
7n = 0 + -6

Combine like terms: 0 + -6 = -6
7n = -6

Divide each side by '7'.
n = -0.8571428571

Simplifying
n = -0.8571428571
Solution
n = {-2, -0.8571428571}