5x 2 x 3 )= 6 x 1 )- x July 8, 2019 16 32 64 128 3 x 2 5x 6 x 1 x 2 7 x 3 3x x 1 )- 5x 3 x )+ 6 x 2 2x 3 )= 0 3 x-5=x+3 5 x 5 x 5 x 5 x 5