5 2x 3 )- 4x 27 July 8, 2019 16 32 64 128 5 2x 3 − 4x ≥ 27 3 4x 8 4.3 2x 5 27 0 3 4x 5 =( 1 27 2x 10 3 5x+2 2x=4 56
