Answer: A.)
Step-by-step explanation:
She is incorect because
(a+b)^2 =a^2 +b^2+ 2ab
a + b
____###### If we sqare this will get:
____######
|.a^2|. ab |
|___ |######
# #. #
# ab #. b^2 #
#___ ######
Answer:
The leading coefficient is 4
Step-by-step explanation: