Get the most out of your questions with IDNLearn.com's extensive resources. Ask anything and receive prompt, well-informed answers from our community of knowledgeable experts.
Answer:
a^2 + 4a -5
Step-by-step explanation:
(a+2)^2-9
((a+2)^2) - (9)
a^2+4a+4-9
a^2 + 4a -5