Factoring a Difference of Two Perfect Squares

1)

x2 − 256 = 0

2)

x2 − 484 = 0

3)

x2 − 256 = 0

1)	x2 − 256 = 0	2)	x2 − 484 = 0	3)	x2 − 256 = 0
	{-16 , 16}		{-22 , 22}		{-16 , 16}