13. 3y(x + 3y) + 3(x+3y) (x+3y)
factorise it
Answers
Answered by
0
Answer:
i think (x+3y)+3
Step-by-step explanation:
Answered by
0
Answer:
3 (x^2 + 7xy + 12y^2)
Step-by-step explanation:
(3xy + 9y^2) + (3x + 9y) (x + 3y)
°Use distributive property on the 2nd and 3rd equation
(3xy + 9y^2) + (3x^2 + 18xy + 27y^2)
°Add similar terms
3x^2 + 21xy + 36y^2
°Factorize
3(x^2 + 7xy + 12y^2)
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