X-Y = 3 7-x + Y-Y square + x square Given X-Y = 3, find the value of the algebraic formula 7-x + Y - (Y-X) & sup2

X-Y = 3 7-x + Y-Y square + x square Given X-Y = 3, find the value of the algebraic formula 7-x + Y - (Y-X) & sup2

x-y=3
y-x=-3
(y-x)^2=9
7-X+y-(y-x)²=7-3-9=-5