Question

what should be added to xy+yz+zx to get -xy -yz -zx is​

Answer 1

Answer:

-2XY-2YZ-2ZXshould be added

Step-by-step explanation:

LEL M SHOULD BE ADDED

XY+YZ+X+M=-XY-YZ-ZX

M=-XY-YZ-ZX-XY-YZ-ZX

M=-2XY-2YZ-2ZX

-2(XY+YZ+ZX)