X 4 6x 2 9 0 July 8, 2019 16 32 64 128 X 4 3x 2 6x 9 0 X 4 2x 3 9x 2 6x 9 0 X 2 6x 9 )( x 2 4x 4 )= 0 X 4 4x 3 6x 2 7x 9 0 6xy - 4y + 6 - 9x 4^x + 6^x = 2*9^x