3 2 5x ) 4 3 2 x 1 July 8, 2019 16 32 64 128 3 2 5x )+ 4 3 2 x 1 2 5x 3 4 2 x 1 5 3 ∉ x 4 5x 3 2x 2 112x 6 0 3 x-5=x+3
