Question

6. Multiply
(i) 1 - x + y by 1 + x +y
​

Answer 1

Step-by-step explanation:

Hope It Helps You✌️

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Answer 2

Answer:

1+2y+y²-x²

Step-by-step explanation:

(1- x + y) (1 + x + y)

= 1+x+y-x-x²-xy+ y+ xy+y²

= 1+2y+y²-x²

Hope you find it helpful.