Answer:
b
Step-by-step explanation:
just took it i got 100%
Answer:
x>−72 or x<−132
Step-by-step explanation:
I believe that is the answer
Answer:
B
Step-by-step explanation:
x²+2x=19 add 1 to both sides which gives you x²+2x+1=20
x²+2x+1 is the same as (x+1)²
Therefore (x+1)²=20