Question

1 + x - y - xy grouping terms​

Answer 1

Answer:

The factorisation of 1 + xy - x - y is equal to "(1 - x)(1 - y)".

Step-by-step explanation:

We have,

1 + xy - x - y

To find, the factorisation of 1 + xy - x - y = ?

∴ 1 + xy - x - y

= 1 - x - y + xy

= 1(1 - x) - y(1 - x)

= (1 - x)(1 - y)

∴ The factorisation of 1 + xy - x - y =  (1 - x)(1 - y)

Thus, the factorisation of 1 + xy - x - y is equal to "(1 - x)(1 - y)". (Ans)

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Answer 2

solution :- 1 + x - y - xy.