X 4 7 ) ( x 1 2 ) 0 July 8, 2019 16 32 64 128 X 4 7x 2 1 0 2 x 7 )- 3 x 2 )+ 4 x 1 )- 2 0 2 3 x 4 9 1 2 3 7 x 0 4 7 x 2 1 2 0 25 4 1 2 x .045 x 7 8 cut off wheel 4 1 2 x .045 x 7 8 4 1 2 x .040 x 7 8 1 x 2 3 x 7 4 x dx 0 .1) 7 + x = 4