((-1 1/6)²-2 5/18)*1 5/7

Question

((-1 1/6)²-2 5/18)*1 5/7

Answer 1

((-1 1/6)²-2 5/18)*1 5/7=((-7/6)²-2 5/18)*1 5/7=(49/36-2 5/18)*1 5/7=
=(49/36-2 10/36)*1 5/7=(39/36-2)*1 5/7=(39/36-72/36)*1 5/7=
=-33/36*12/7=-11/12*12/7=-11/7=-1 4/7