First you divide everything by 4 which will become b^2+2b-3=0
Then you can factor this which is
(b-1)(b+3)=0
B=1
B=-3 ... I think that's how you do it
Answer:
a
Step-by-step explanation:
Answer:

Step-by-step explanation:
The slope of the line is
(or just 2) as it rises by 2 units and runs to the left by 1 unit.