Question

Subtract the following expressions: (i) −8 xy from 7 xy
(ii) x 2 from − 3x 2
(iii) ( x − y ) from (4 y − 5 x )
(iv) ( a 2 + b 2 − 2 ab ) from ( a 2 + b 2 + 2 ab )
(v) ( x 2 − y 2 ) from (2 x 2 − 3 y 2 + 6 xy )

Answer 1

I don't know the answer except from the answer -1 xy