SOLUTION: -4 n( n+ 2) = 3(n-4)

Question 677970: -4 n( n+ 2) = 3(n-4)
Answer by stanbon(75887) (Show Source): You can put this solution on YOUR website!
-4n( n+ 2) = 3(n-4)
-----
-4n^2 - 8n = 3n-12
----
-4n^2 - 11n + 12 = 0
------
4n^2 + 11n - 12 = 0
-----
Use the Quadratic Formula:
n = [-11 +- sqrt(121 - 4*4*-12)]/8
----
n = [-11 +- sqrt(204)]/8
---
n = [-11 +- 2sqrt(51)]/8
============================
Cheers,
Stan H.

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