Question

factorise (x+y)³(a+b)-(x+y)(a+b)³​

Answer 1

Answer:

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Answer 2

Answer:

(x+y)(a+b)(x+y+a+b)(x+y-a-b)

Step-by-step explanation:

let (x+y)=p

(a+b)=q

then (x+y)³(a+b)-(x+y)(a+b)³

= p³q-pq³

= pq(p²-q²)

= pq(p+q)(p-q)

= (x+y)(a+b)(x+y+a+b)(x+y-a-b)