Answer:
C
Step-by-step explanation:
Assuming yo mean
k²-4k-21
factor by doing
what 2 numbers multipily to get -21 and add to get -4?
-7 and 3
(k-7)(k+3) is factored
I don’t know what the equation is but when using elimination you should cancel out opposite numbers such as 4x and negative 4x
Answer:
the answer I got was x>36
I hope this helped
Answer:
-4<-1 and -1<4
Step-by-step explanation:
