Answer:
2
Step-by-step explanation:
(x+7)^2=x^2+2*7x+7^2=x^2+14x+49
(a+b)^2=a^2+2ab+b^2
Answer:
yes
Step-by-step explanation:
have a nice day
Answer:
x=-5
Step-by-step explanation:
Vertical lines have the same x value all the time. They are of the form x=
Since it passes through the point (-5,-2) the x value must be -5
x=-5
