Question

find the following polynomial x+y, x-y, -x-y, -x+y​

Answer 1

the correct answer is 0

Answer 2

Explanation:

x+y,x+y, -x-y, -x+y

(x+y) +(x-y) +(-x-y) +(-x+y)

x+y+x-y-x-y-x+y

x+x-x-x+y+y-y-y

(2x-2x)(2y-2y)

0×0

=0 ans