Question

Factorise 9x^2+6xy+y^2

Answer 1

Answer:

9x^2 + 6xy + y^2

= (3x)^2 + 2×3x×y + (y)^2

= (a)^2 +2×a×b + (b)^2 = (a+b)^2

= (3x + y)^2

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Answer 2

Answer:

(3x+y) ^2

Step-by-step explanation:

9x^2+3xy+3xy+y^2

3x(3x+y) +y(3x+y)

(3x+y) (3x+y)

(3x+y) ^2.