Answer :
The given relation is
n·(3n-7) = 20
In standard form, this is
3n² -7n -20 = 0
(n -4)(3n +5) = 0
n = 4 or -5/3
The number is -5/3.
n·(3n-7) = 20
In standard form, this is
3n² -7n -20 = 0
(n -4)(3n +5) = 0
n = 4 or -5/3
The number is -5/3.