Question

Add the product of x(x+y-r), y(x-y+r), z(x-y-z)

Answer 1

Answer:

x^2+xy-xr,

xy-y^2+yr,

zx-yz-z^2

Step-by-step explanation:

by adding this ,we get

x^2+xy-xr+xy-y^2+yr+zx-yz-z^2

x^2-y^2-z^2+2xy-xr-yz+zx