Question

Factorise:
36a² + 36a +9
​

Answer 1

Step-by-step explanation:

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Answer 2

Answer:

$36a² + 36a +9 \\ </p><p>9( {4a}^{2} + 4a + 1) \\ 9( {4a}^{2} + 2a + 2a + 1) \\ 9(2a + 1)(2a + 1) \\ 9( {2a + 1})^{2}$