result of calculations when x=3 is 23.2<br/>result of calculations when x=4 is 29.6<br/>result of calculations when x=5 is 36<br/>result of calculations when x=6 is 42.4<br/>result of calculations when x=7 is 48.8<br/>result of calculations when x=8 is 55.2<br/>The last value $x got to was 8