if the length of one side of a square is 2x + 1 what is its, area?

Answer:
A = 4x² + 4x + 1
Step-by-step explanation:
A = s² (formula)
A = (2x + 1)(2x + 1)
= 4x² + 2x + 2x + 1
= 4x² + 4x + 1