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25 votes
Factorise (x+y)^3- (x^3+y^3)​

User Bi Li
by
3.5k points

2 Answers

10 votes

Answer:

3xy (x +y)

Step-by-step explanation:

Step 1 Evaluate: (x+y)^3 = x^3+3x^2y+3xy^2+y^3

Step 2 Pull out like terms: 3x^2y+3xy^2 = 3xy × (x+y)

Answer:

3xy (x +y)

User Huseyint
by
3.2k points
8 votes

Answer:

3xy(x+y)

Step-by-step explanation:

if you want to simplify it it's 3x^2y+3xy^2 but you said factorise so it should be the answer 3xy(x+y)

Hope this helps:)

User Krassowski
by
3.3k points