(n+2)(n+1)(n+6)-9n^2=

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Solution for (n+2)(n+1)(n+6)-9n^2= equation:


Simplifying
(n + 2)(n + 1)(n + 6) + -9n2 = 0

Reorder the terms:
(2 + n)(n + 1)(n + 6) + -9n2 = 0

Reorder the terms:
(2 + n)(1 + n)(n + 6) + -9n2 = 0

Reorder the terms:
(2 + n)(1 + n)(6 + n) + -9n2 = 0

Multiply (2 + n) * (1 + n)
(2(1 + n) + n(1 + n))(6 + n) + -9n2 = 0
((1 * 2 + n * 2) + n(1 + n))(6 + n) + -9n2 = 0
((2 + 2n) + n(1 + n))(6 + n) + -9n2 = 0
(2 + 2n + (1 * n + n * n))(6 + n) + -9n2 = 0
(2 + 2n + (1n + n2))(6 + n) + -9n2 = 0

Combine like terms: 2n + 1n = 3n
(2 + 3n + n2)(6 + n) + -9n2 = 0

Multiply (2 + 3n + n2) * (6 + n)
(2(6 + n) + 3n * (6 + n) + n2(6 + n)) + -9n2 = 0
((6 * 2 + n * 2) + 3n * (6 + n) + n2(6 + n)) + -9n2 = 0
((12 + 2n) + 3n * (6 + n) + n2(6 + n)) + -9n2 = 0
(12 + 2n + (6 * 3n + n * 3n) + n2(6 + n)) + -9n2 = 0
(12 + 2n + (18n + 3n2) + n2(6 + n)) + -9n2 = 0
(12 + 2n + 18n + 3n2 + (6 * n2 + n * n2)) + -9n2 = 0
(12 + 2n + 18n + 3n2 + (6n2 + n3)) + -9n2 = 0

Combine like terms: 2n + 18n = 20n
(12 + 20n + 3n2 + 6n2 + n3) + -9n2 = 0

Combine like terms: 3n2 + 6n2 = 9n2
(12 + 20n + 9n2 + n3) + -9n2 = 0

Reorder the terms:
12 + 20n + 9n2 + -9n2 + n3 = 0

Combine like terms: 9n2 + -9n2 = 0
12 + 20n + 0 + n3 = 0
12 + 20n + n3 = 0

Solving
12 + 20n + n3 = 0

Solving for variable 'n'.

The solution to this equation could not be determined.

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