4 9 3 4x ) 6x July 8, 2019 16 32 64 128 4 9 3 4x )+ 6x 3 4x 9 6x 4 12 9 6x 8 )= 3 4x 4 (- 6x 4 9 )+( 4x 2 3 6xy - 4y + 6 - 9x 4 + 4 = 6 4 6 x 9
