Factorise using identity: 9x² + 18 xy + 9y².
Answers
Answered by
4
Answer:
(3x+3y)²
Step-by-step explanation:
taking 9 as common
9()
9(x+y)²....as (a+b)²=a²+2ab+b²
⇒(3x+3y)²
Answered by
1
Answer:
(3x+3y) ² ans
(a+b) ² = a² +2ab +b²
using the formula
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