2x 9 4 x 12 July 8, 2019 16 32 64 128 2x 9 4x x 12 2x 1 )( 4 12x )( x 9 ) 0 2x 9 4 2 x 12 2x 9 4x x 12 answer 2x 9 4 x 7 12 x 3 2x 9 4x 12 180 3 x 4 2x 9 12 x 2 12 4 2x 9 )=- 8 x 3 4 x 9 )-( x 12 )= 2x 15 2x 9 2 x 13 2 x 9/4
