Question

Factorise : 36(y) square + 36 y + 9 = ? ​

Answer 1

Answer:

$36y^2+36y+9\\= 9\left(4y^2+4y+1\right)\\= 9\left(2y+1\right)\left(2y+1\right)\\= 9\left(2y+1\right)^2$

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Answer 2

Answer:

36y^2 + 36y+9

= 36y^2 + 18 y +18 y+ 9

18y(2y+2) + 2(2y +2)

(18y+2)(2y +2)