Square handkerchief has a side of 2x+3 what is the are

A square handkerchief has a side of 2x + 3.So, it is given that the handkerchief is a square.So, in other words we have to find out the area of a square.We know, area of a square = side² Therefore, the area of the handkerchief= (2x + 3)² = (2x)² + 2(2x)(3) + (3)² = 4x² + 12x + 9

Answer:

The area of the square handkerchief is 4x² + 12x + 9.

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i believe it's a.

i'm not sure on this one, most likely correct.

good luck!