use this method of trial and improvement to solve the equation
x2 -6x =12
give your answer to 1 decimal place
show all your workings
x2 -6x =12 comment
33 6x3=9 3x3x3=27
6x3=18
27-18=9
too small
43 6x4=40 4x4x4=64
6x4=24
64-24=40
too high
3.13 6x3.1=11.191 3.1x3.1x3.1=29.791
6x3.1=18.6
29.791-18.6=11.191
too small
3.23 6x6.2=13.568 3.2x3.2x3.2=32.768
6x3.2=19.2
32.768-19.2=13.568
too high
3.153 6x3.15=12.355875 3.15x3.15x3.15=31.255875
6x3.15=18.9
31.255875-18.9=12.355875
too high
answer =3.1