Question

Factorise
x(x+y)3-3xy(x+y)​

Answer 1

Answer:

(3x²+3xy)(1-y)

Step-by-step explanation:

x(x+y)3-3xy(x+y)​

3x²+3xy-3x²y-3xy²

regrouping

3x²-3x²y+3xy-3xy²

3x²(1-y)+3xy(1-y)

(3x²+3xy)(1-y)