2x 1 )( x 2 5x 7 July 8, 2019 16 32 64 128 2x 2 5x 7 )( x 1 )= 0 10 2x 1 )- 9 x 2 )+ 4 5x 8 )= 71 7 x 2 2x 3 1 x 2 5x 6 X 7 2x 1 )= 2 6 5x )- 13 2x 1 3 5x 2 7 x 13 5x 2x 9 1 2 x 7 5x 2 2x 1 x 2 x 3x 3 7 5x 2 2x 1 )( x 2 )- 3x x 1 )+ 7 X 3 5x 2 2x 1 )( x 7 2x 1 2 ≥ 5x 3 x 1 7 Y x 2 5x 7 y 2x 1 5x x 1 )- 2 2x 2 7x )=- 8
