4 2x 1 ) 5 3 x 7 )- x July 8, 2019 16 32 64 128 4 2x 1 )+ 5 3 x 7 )- x 9x 4 x 5 )- 1 7 x 3 )- 2x 2x 3 5 x 3 4 x 1 3x 7 3 x 5 )+ 1 4 2x 1 )= 2 x 7 )- 1 5x 7 2x 1 3 x 5 4 x 3 5 x 7 = 35 7 ⋅ ( x − 4 ) = 5 ⋅ ( x − 2 ) 4(2-x) 7-5x 15-4x 3
