Answer:
I'm sorry I just need points
Step-by-step explanation:
I think that is right I look it up and god bless have a great day
Answer:
use brainly points
Step-by-step explanation:
Answer:
4x² + 4x + 1
Step-by-step explanation:
We know that (a + b)² = a² + 2ab + b², therefore, (2x + 1)² = 4x² + 4x + 1.