Question

factorise (x+y) ³-(x-y)³​

Answer 1

Answer:

(x+y)³-(x-y)³

a³-b³=(a+b)(a²+b²-ab)

(x+y)³-(x-y)³=(2x){x²+y²+2xy+x²+y²-2xy-(x²-y²)}

=>. (2x)(x²+3y²)

Answer 2

Answer:

x+y vshhec

2x x² +3t

y²

2x +2 3 4 5