Question

$9x {2 + 6x + 1}^{?}$
factorise 9 x square​

Answer 1

Answer:

hi my dear follower sorry I can't help you

because I am not higher class i am studying only

7 th sorry!!!!

Answer 2

Step-by-step explanation:

$9 {x}^{2} + 6x + 1 \\ 9 {x}^{2} + (3 + 3)x + 1 \\ 9 {x}^{2} + 3x + 3x + 1 \\ 3x(3x + 1) + 1(3x + 1) \\ \\ (3x + 1)(3x + 1)$

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