Xy-y^2/8*15/x-y При x=-1, y=8 ПОМОГИТЕ пж,

Question

Xy-y^2/8*15/x-y При x=-1, y=8 ПОМОГИТЕ пж,

Answer 1

Y(x-y)/8*15/(x-y)=15y/8=15*8/8=15
x=-1,y=8