Question

solve (x+15)(x-5)(x+1)>0

Answer 1

zeros are at -15, -1, 5

Answer 2

says to use at least one inequality or compound inequality

Answer 3

it will be negative, then positive, then negative then positive so answer is
\[(-15,-1)\cup (5,\infty)\]

Answer 4

as an inequality you write
\[-15<x<-1, x > 5\]