2 5x 7 )( 1 x )= 0 July 8, 2019 16 32 64 128 2x 2 5x 7 )( x 1 )= 0 Log 1 2 x 2 5x 7 0 5x 7 0 x 11 )- 2 1 3x 7x 2 5x 7 0 find x 3 1 x 3 2 x 2 5 5 x 7 = 35 2x 7