Question

(iv) (x + y) (x - y - xy) + (x - y) (-x + y + xy)​

Answer 1

Answer:

answer of this question is:-

Explanation:

1. first we have to multiply these numbers:-
2. first(x+y)*(x-y-xy)=x²-x²y+2x2y+y²-xy²
3. second(x-y)*(-x+y+xy)=x²+x²y-2x2y-y²+xy²
4. then we have to add it
5. which gives=x⁴+x⁴y⁴-2x4y+x³y
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