Answer:
One number that works is 1.
Step-by-step explanation:
(1-2)(1+7)
-1(1+7)
-1*8
-8
{3,-1}
m^2 -2m -3=0
What 2 numbers multiply to -3 and add to negative 2
-3* 1 = -3
-3 +1 =-2
(m-3) (m+1) =0
Using the zero product property
m-3 = 0 m+1 =0
m=3 m=-1
W=5
40+4w=12w
-4w -4w
40= 8w
÷8 ÷8
5=w
Answer: It is A=-1<x<-6 is the domain
