3 2x 5 ) 4 25 July 8, 2019 16 32 64 128 3 2x 5 )+ 4 25 3 2x 5 )+ 4 25 find x 2x 3 5 4 10 x 4 25 25 2x 3 5 3 2 4 2 Lim x - 5 2x 4 3x 3 25