add the polynomials: x+y,x-y,-x-y,-x+y
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Answered by
4
it will be 0
pls mark brainliest
pls mark brainliest
risha111222:
true
i not understand where came 0 plzz write detail
Answered by
3
x+y+x-y-x-y-x+y = 2x-2x+0 = 0
true
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