21n^2+46n+24=0

Solution for 21n^2+46n+24=0 equation:

Simplifying
21n2 + 46n + 24 = 0

Reorder the terms:
24 + 46n + 21n2 = 0

Solving
24 + 46n + 21n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(4 + 3n)(6 + 7n) = 0

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

Simplifying
4 + 3n = 0

Solving
4 + 3n = 0

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

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

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

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

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

Simplifying
n = -1.333333333
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 = {-1.333333333, -0.8571428571}