Answer:
Since both terms are perfect squares, factor using the difference of squares formula.
a2−b2=(a+b)(a−b)a2-b2=( a + b ) ( a - b ) where a = 3x a = 3x and b = 2 b2 b = 2 b2.
4( 3x + 2b2 ) ( 3x − 2b2 )
