(n+2)(n+1)-110=0

Solution for (n+2)(n+1)-110=0 equation:

Simplifying
(n + 2)(n + 1) + -110 = 0

Reorder the terms:
(2 + n)(n + 1) + -110 = 0

Reorder the terms:
(2 + n)(1 + n) + -110 = 0

Multiply (2 + n) * (1 + n)
(2(1 + n) + n(1 + n)) + -110 = 0
((1 * 2 + n * 2) + n(1 + n)) + -110 = 0
((2 + 2n) + n(1 + n)) + -110 = 0
(2 + 2n + (1 * n + n * n)) + -110 = 0
(2 + 2n + (1n + n2)) + -110 = 0

Combine like terms: 2n + 1n = 3n
(2 + 3n + n2) + -110 = 0

Reorder the terms:
2 + -110 + 3n + n2 = 0

Combine like terms: 2 + -110 = -108
-108 + 3n + n2 = 0

Solving
-108 + 3n + n2 = 0

Solving for variable 'n'.

Factor a trinomial.
(-12 + -1n)(9 + -1n) = 0

Subproblem 1
Set the factor '(-12 + -1n)' equal to zero and attempt to solve:

Simplifying
-12 + -1n = 0

Solving
-12 + -1n = 0

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

Add '12' to each side of the equation.
-12 + 12 + -1n = 0 + 12

Combine like terms: -12 + 12 = 0
0 + -1n = 0 + 12
-1n = 0 + 12

Combine like terms: 0 + 12 = 12
-1n = 12

Divide each side by '-1'.
n = -12

Simplifying
n = -12
Subproblem 2
Set the factor '(9 + -1n)' equal to zero and attempt to solve:

Simplifying
9 + -1n = 0

Solving
9 + -1n = 0

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

Add '-9' to each side of the equation.
9 + -9 + -1n = 0 + -9

Combine like terms: 9 + -9 = 0
0 + -1n = 0 + -9
-1n = 0 + -9

Combine like terms: 0 + -9 = -9
-1n = -9

Divide each side by '-1'.
n = 9

Simplifying
n = 9
Solution
n = {-12, 9}