7x 5 3 2x 1 July 8, 2019 16 32 64 128 7x 5 3 2x )= 18 7x 2 5 x )= 3 2x 1 5x 3 7x 5 2x 1 5 2x 3 )= 7x 15 7x 4 2x 3 x 5 1 3 2x − 5 )+ x 7x 1 2x 5 7x 3 x 2 4x 1 x 2 5 3 2x )-( 12 7x )= 0 6 3 3x 5 7x 2x 1 3x 5 2x 1 7x 3 1 2x 7x 5 1 2x 3 1 2 7x 3 2x 5 )= 10x 17 11x 5 7x 3 2x x 2 3 2x 5 )- 7x 12 5 7x 8 )+ 3 2x b )= ax 13
